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Finding the Fourth Proportional to 14,079.59, 19,424.31 and 9,043.11

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Solution

The fourth proportional to 14,079.59, 19,424.31 and 9,043.11 is: 12,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.59 : 19,424.31 = 9,043.11 : x
  2. Step 2: Convert to fraction form
    14,079.59/19,424.31 = 9,043.11/x
  3. Step 3: Cross multiply
    14,079.59x = 19,424.31 × 9,043.11
  4. Step 4: Simplify right side
    14,079.59x = 175,656,172.00
  5. Step 5: Solve for x
    x = 175,656,172.00/14,079.59
  6. Step 6: Final answer
    x = 12,475.95

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1.5x scale

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.