Home / 15,402.76-23,064.75-12,287.30

Finding the Fourth Proportional to 15,402.76, 23,064.75 and 12,287.30

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Solution

The fourth proportional to 15,402.76, 23,064.75 and 12,287.30 is: 18,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.76 : 23,064.75 = 12,287.30 : x
  2. Step 2: Convert to fraction form
    15,402.76/23,064.75 = 12,287.30/x
  3. Step 3: Cross multiply
    15,402.76x = 23,064.75 × 12,287.30
  4. Step 4: Simplify right side
    15,402.76x = 283,403,387.35
  5. Step 5: Solve for x
    x = 283,403,387.35/15,402.76
  6. Step 6: Final answer
    x = 18,399.52

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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.