Home / 17,658.79-26,499.35-9,872.71

Finding the Fourth Proportional to 17,658.79, 26,499.35 and 9,872.71

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Solution

The fourth proportional to 17,658.79, 26,499.35 and 9,872.71 is: 14,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.79 : 26,499.35 = 9,872.71 : x
  2. Step 2: Convert to fraction form
    17,658.79/26,499.35 = 9,872.71/x
  3. Step 3: Cross multiply
    17,658.79x = 26,499.35 × 9,872.71
  4. Step 4: Simplify right side
    17,658.79x = 261,620,397.74
  5. Step 5: Solve for x
    x = 261,620,397.74/17,658.79
  6. Step 6: Final answer
    x = 14,815.31

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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.