Home / 10,202.43-15,316.02-9,685.74

Finding the Fourth Proportional to 10,202.43, 15,316.02 and 9,685.74

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Solution

The fourth proportional to 10,202.43, 15,316.02 and 9,685.74 is: 14,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.43 : 15,316.02 = 9,685.74 : x
  2. Step 2: Convert to fraction form
    10,202.43/15,316.02 = 9,685.74/x
  3. Step 3: Cross multiply
    10,202.43x = 15,316.02 × 9,685.74
  4. Step 4: Simplify right side
    10,202.43x = 148,346,987.55
  5. Step 5: Solve for x
    x = 148,346,987.55/10,202.43
  6. Step 6: Final answer
    x = 14,540.36

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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.