Home / 13,407.04-20,084.40-8,776

Finding the Fourth Proportional to 13,407.04, 20,084.40 and 8,776

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Solution

The fourth proportional to 13,407.04, 20,084.40 and 8,776 is: 13,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.04 : 20,084.40 = 8,776 : x
  2. Step 2: Convert to fraction form
    13,407.04/20,084.40 = 8,776/x
  3. Step 3: Cross multiply
    13,407.04x = 20,084.40 × 8,776
  4. Step 4: Simplify right side
    13,407.04x = 176,260,694.40
  5. Step 5: Solve for x
    x = 176,260,694.40/13,407.04
  6. Step 6: Final answer
    x = 13,146.88

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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.