Home / 14,432.28-21,655.30-9,996.78

Finding the Fourth Proportional to 14,432.28, 21,655.30 and 9,996.78

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Solution

The fourth proportional to 14,432.28, 21,655.30 and 9,996.78 is: 14,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.28 : 21,655.30 = 9,996.78 : x
  2. Step 2: Convert to fraction form
    14,432.28/21,655.30 = 9,996.78/x
  3. Step 3: Cross multiply
    14,432.28x = 21,655.30 × 9,996.78
  4. Step 4: Simplify right side
    14,432.28x = 216,483,269.93
  5. Step 5: Solve for x
    x = 216,483,269.93/14,432.28
  6. Step 6: Final answer
    x = 14,999.94

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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.