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Finding the Fourth Proportional to 17,934.80, 26,890.05 and 9,502.70

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Solution

The fourth proportional to 17,934.80, 26,890.05 and 9,502.70 is: 14,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,934.80 : 26,890.05 = 9,502.70 : x
  2. Step 2: Convert to fraction form
    17,934.80/26,890.05 = 9,502.70/x
  3. Step 3: Cross multiply
    17,934.80x = 26,890.05 × 9,502.70
  4. Step 4: Simplify right side
    17,934.80x = 255,528,078.14
  5. Step 5: Solve for x
    x = 255,528,078.14/17,934.80
  6. Step 6: Final answer
    x = 14,247.61

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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.