Home / 16,857.80-25,287.16-4,377.55

Finding the Fourth Proportional to 16,857.80, 25,287.16 and 4,377.55

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Solution

The fourth proportional to 16,857.80, 25,287.16 and 4,377.55 is: 6,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.80 : 25,287.16 = 4,377.55 : x
  2. Step 2: Convert to fraction form
    16,857.80/25,287.16 = 4,377.55/x
  3. Step 3: Cross multiply
    16,857.80x = 25,287.16 × 4,377.55
  4. Step 4: Simplify right side
    16,857.80x = 110,695,733.10
  5. Step 5: Solve for x
    x = 110,695,733.10/16,857.80
  6. Step 6: Final answer
    x = 6,566.44

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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.