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Finding the Fourth Proportional to 17,801.68, 26,718.35 and 9,488.56

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Solution

The fourth proportional to 17,801.68, 26,718.35 and 9,488.56 is: 14,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.68 : 26,718.35 = 9,488.56 : x
  2. Step 2: Convert to fraction form
    17,801.68/26,718.35 = 9,488.56/x
  3. Step 3: Cross multiply
    17,801.68x = 26,718.35 × 9,488.56
  4. Step 4: Simplify right side
    17,801.68x = 253,518,557.21
  5. Step 5: Solve for x
    x = 253,518,557.21/17,801.68
  6. Step 6: Final answer
    x = 14,241.28

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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.