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Finding the Fourth Proportional to 12,264.81, 18,373.99 and 7,252.17

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Solution

The fourth proportional to 12,264.81, 18,373.99 and 7,252.17 is: 10,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264.81 : 18,373.99 = 7,252.17 : x
  2. Step 2: Convert to fraction form
    12,264.81/18,373.99 = 7,252.17/x
  3. Step 3: Cross multiply
    12,264.81x = 18,373.99 × 7,252.17
  4. Step 4: Simplify right side
    12,264.81x = 133,251,299.06
  5. Step 5: Solve for x
    x = 133,251,299.06/12,264.81
  6. Step 6: Final answer
    x = 10,864.52

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1.5x scale

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.