Home / 15,519.48-23,278.56-13,432.68

Finding the Fourth Proportional to 15,519.48, 23,278.56 and 13,432.68

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Solution

The fourth proportional to 15,519.48, 23,278.56 and 13,432.68 is: 20,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519.48 : 23,278.56 = 13,432.68 : x
  2. Step 2: Convert to fraction form
    15,519.48/23,278.56 = 13,432.68/x
  3. Step 3: Cross multiply
    15,519.48x = 23,278.56 × 13,432.68
  4. Step 4: Simplify right side
    15,519.48x = 312,693,447.34
  5. Step 5: Solve for x
    x = 312,693,447.34/15,519.48
  6. Step 6: Final answer
    x = 20,148.45

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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.