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Finding the Fourth Proportional to 17,572.59, 26,358.90 and 7,184.34

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Solution

The fourth proportional to 17,572.59, 26,358.90 and 7,184.34 is: 10,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,572.59 : 26,358.90 = 7,184.34 : x
  2. Step 2: Convert to fraction form
    17,572.59/26,358.90 = 7,184.34/x
  3. Step 3: Cross multiply
    17,572.59x = 26,358.90 × 7,184.34
  4. Step 4: Simplify right side
    17,572.59x = 189,371,131.91
  5. Step 5: Solve for x
    x = 189,371,131.91/17,572.59
  6. Step 6: Final answer
    x = 10,776.51

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Similar ratio
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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.