Home / 14,937.20-22,405.80-14,281.10

Finding the Fourth Proportional to 14,937.20, 22,405.80 and 14,281.10

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Solution

The fourth proportional to 14,937.20, 22,405.80 and 14,281.10 is: 21,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.20 : 22,405.80 = 14,281.10 : x
  2. Step 2: Convert to fraction form
    14,937.20/22,405.80 = 14,281.10/x
  3. Step 3: Cross multiply
    14,937.20x = 22,405.80 × 14,281.10
  4. Step 4: Simplify right side
    14,937.20x = 319,979,470.38
  5. Step 5: Solve for x
    x = 319,979,470.38/14,937.20
  6. Step 6: Final answer
    x = 21,421.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.