Home / 9,649.06-13,317.14-6,112.60

Finding the Fourth Proportional to 9,649.06, 13,317.14 and 6,112.60

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Solution

The fourth proportional to 9,649.06, 13,317.14 and 6,112.60 is: 8,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,649.06 : 13,317.14 = 6,112.60 : x
  2. Step 2: Convert to fraction form
    9,649.06/13,317.14 = 6,112.60/x
  3. Step 3: Cross multiply
    9,649.06x = 13,317.14 × 6,112.60
  4. Step 4: Simplify right side
    9,649.06x = 81,402,319.40
  5. Step 5: Solve for x
    x = 81,402,319.40/9,649.06
  6. Step 6: Final answer
    x = 8,436.30

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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.