Home / 20,432.74-30,592.01-11,039.11

Finding the Fourth Proportional to 20,432.74, 30,592.01 and 11,039.11

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Solution

The fourth proportional to 20,432.74, 30,592.01 and 11,039.11 is: 16,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432.74 : 30,592.01 = 11,039.11 : x
  2. Step 2: Convert to fraction form
    20,432.74/30,592.01 = 11,039.11/x
  3. Step 3: Cross multiply
    20,432.74x = 30,592.01 × 11,039.11
  4. Step 4: Simplify right side
    20,432.74x = 337,708,514.63
  5. Step 5: Solve for x
    x = 337,708,514.63/20,432.74
  6. Step 6: Final answer
    x = 16,527.82

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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.