Home / 14,177.28-21,270.49-9,256.53

Finding the Fourth Proportional to 14,177.28, 21,270.49 and 9,256.53

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Solution

The fourth proportional to 14,177.28, 21,270.49 and 9,256.53 is: 13,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.28 : 21,270.49 = 9,256.53 : x
  2. Step 2: Convert to fraction form
    14,177.28/21,270.49 = 9,256.53/x
  3. Step 3: Cross multiply
    14,177.28x = 21,270.49 × 9,256.53
  4. Step 4: Simplify right side
    14,177.28x = 196,890,985.42
  5. Step 5: Solve for x
    x = 196,890,985.42/14,177.28
  6. Step 6: Final answer
    x = 13,887.78

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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.