Home / 15,387.60-23,090.28-6,502.20

Finding the Fourth Proportional to 15,387.60, 23,090.28 and 6,502.20

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Solution

The fourth proportional to 15,387.60, 23,090.28 and 6,502.20 is: 9,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387.60 : 23,090.28 = 6,502.20 : x
  2. Step 2: Convert to fraction form
    15,387.60/23,090.28 = 6,502.20/x
  3. Step 3: Cross multiply
    15,387.60x = 23,090.28 × 6,502.20
  4. Step 4: Simplify right side
    15,387.60x = 150,137,618.62
  5. Step 5: Solve for x
    x = 150,137,618.62/15,387.60
  6. Step 6: Final answer
    x = 9,757.05

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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.