Home / 12,577.14-18,869.12-11,200.04

Finding the Fourth Proportional to 12,577.14, 18,869.12 and 11,200.04

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Solution

The fourth proportional to 12,577.14, 18,869.12 and 11,200.04 is: 16,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.14 : 18,869.12 = 11,200.04 : x
  2. Step 2: Convert to fraction form
    12,577.14/18,869.12 = 11,200.04/x
  3. Step 3: Cross multiply
    12,577.14x = 18,869.12 × 11,200.04
  4. Step 4: Simplify right side
    12,577.14x = 211,334,898.76
  5. Step 5: Solve for x
    x = 211,334,898.76/12,577.14
  6. Step 6: Final answer
    x = 16,803.10

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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.