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Finding the Fourth Proportional to 17,672.20, 26,523.69 and 9,358.18

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Solution

The fourth proportional to 17,672.20, 26,523.69 and 9,358.18 is: 14,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.20 : 26,523.69 = 9,358.18 : x
  2. Step 2: Convert to fraction form
    17,672.20/26,523.69 = 9,358.18/x
  3. Step 3: Cross multiply
    17,672.20x = 26,523.69 × 9,358.18
  4. Step 4: Simplify right side
    17,672.20x = 248,213,465.28
  5. Step 5: Solve for x
    x = 248,213,465.28/17,672.20
  6. Step 6: Final answer
    x = 14,045.42

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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.