Home / 10,402.25-15,600.13-3,475.13

Finding the Fourth Proportional to 10,402.25, 15,600.13 and 3,475.13

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Solution

The fourth proportional to 10,402.25, 15,600.13 and 3,475.13 is: 5,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.25 : 15,600.13 = 3,475.13 : x
  2. Step 2: Convert to fraction form
    10,402.25/15,600.13 = 3,475.13/x
  3. Step 3: Cross multiply
    10,402.25x = 15,600.13 × 3,475.13
  4. Step 4: Simplify right side
    10,402.25x = 54,212,384.39
  5. Step 5: Solve for x
    x = 54,212,384.39/10,402.25
  6. Step 6: Final answer
    x = 5,211.60

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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.