Home / 11,128.04-15,359.28-6,654.52

Finding the Fourth Proportional to 11,128.04, 15,359.28 and 6,654.52

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Solution

The fourth proportional to 11,128.04, 15,359.28 and 6,654.52 is: 9,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.04 : 15,359.28 = 6,654.52 : x
  2. Step 2: Convert to fraction form
    11,128.04/15,359.28 = 6,654.52/x
  3. Step 3: Cross multiply
    11,128.04x = 15,359.28 × 6,654.52
  4. Step 4: Simplify right side
    11,128.04x = 102,208,635.95
  5. Step 5: Solve for x
    x = 102,208,635.95/11,128.04
  6. Step 6: Final answer
    x = 9,184.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.