Home / 10,188.03-15,292.35-5,261.19

Finding the Fourth Proportional to 10,188.03, 15,292.35 and 5,261.19

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Solution

The fourth proportional to 10,188.03, 15,292.35 and 5,261.19 is: 7,897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.03 : 15,292.35 = 5,261.19 : x
  2. Step 2: Convert to fraction form
    10,188.03/15,292.35 = 5,261.19/x
  3. Step 3: Cross multiply
    10,188.03x = 15,292.35 × 5,261.19
  4. Step 4: Simplify right side
    10,188.03x = 80,455,958.90
  5. Step 5: Solve for x
    x = 80,455,958.90/10,188.03
  6. Step 6: Final answer
    x = 7,897.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.