Home / 17,387.57-26,081.08-4,239.92

Finding the Fourth Proportional to 17,387.57, 26,081.08 and 4,239.92

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Solution

The fourth proportional to 17,387.57, 26,081.08 and 4,239.92 is: 6,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.57 : 26,081.08 = 4,239.92 : x
  2. Step 2: Convert to fraction form
    17,387.57/26,081.08 = 4,239.92/x
  3. Step 3: Cross multiply
    17,387.57x = 26,081.08 × 4,239.92
  4. Step 4: Simplify right side
    17,387.57x = 110,581,692.71
  5. Step 5: Solve for x
    x = 110,581,692.71/17,387.57
  6. Step 6: Final answer
    x = 6,359.81

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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.