Home / 16,874.40-25,319.42-7,385.47

Finding the Fourth Proportional to 16,874.40, 25,319.42 and 7,385.47

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Solution

The fourth proportional to 16,874.40, 25,319.42 and 7,385.47 is: 11,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.40 : 25,319.42 = 7,385.47 : x
  2. Step 2: Convert to fraction form
    16,874.40/25,319.42 = 7,385.47/x
  3. Step 3: Cross multiply
    16,874.40x = 25,319.42 × 7,385.47
  4. Step 4: Simplify right side
    16,874.40x = 186,995,771.99
  5. Step 5: Solve for x
    x = 186,995,771.99/16,874.40
  6. Step 6: Final answer
    x = 11,081.62

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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.