Home / 9,512.06-13,125.11-5,972.76

Finding the Fourth Proportional to 9,512.06, 13,125.11 and 5,972.76

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Solution

The fourth proportional to 9,512.06, 13,125.11 and 5,972.76 is: 8,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.06 : 13,125.11 = 5,972.76 : x
  2. Step 2: Convert to fraction form
    9,512.06/13,125.11 = 5,972.76/x
  3. Step 3: Cross multiply
    9,512.06x = 13,125.11 × 5,972.76
  4. Step 4: Simplify right side
    9,512.06x = 78,393,102.14
  5. Step 5: Solve for x
    x = 78,393,102.14/9,512.06
  6. Step 6: Final answer
    x = 8,241.45

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Half scale
Find fourth proportional to 19,024.11, 26,250.21 and 11,945.52
Double scale
Find fourth proportional to 9,513.06, 13,126.48 and 5,973.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.