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Finding the Fourth Proportional to 15,092.51, 22,643.09 and 7,305.71

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Solution

The fourth proportional to 15,092.51, 22,643.09 and 7,305.71 is: 10,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,092.51 : 22,643.09 = 7,305.71 : x
  2. Step 2: Convert to fraction form
    15,092.51/22,643.09 = 7,305.71/x
  3. Step 3: Cross multiply
    15,092.51x = 22,643.09 × 7,305.71
  4. Step 4: Simplify right side
    15,092.51x = 165,423,849.04
  5. Step 5: Solve for x
    x = 165,423,849.04/15,092.51
  6. Step 6: Final answer
    x = 10,960.66

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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.