Home / 16,878.80-25,318.20-13,598.30

Finding the Fourth Proportional to 16,878.80, 25,318.20 and 13,598.30

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Solution

The fourth proportional to 16,878.80, 25,318.20 and 13,598.30 is: 20,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.80 : 25,318.20 = 13,598.30 : x
  2. Step 2: Convert to fraction form
    16,878.80/25,318.20 = 13,598.30/x
  3. Step 3: Cross multiply
    16,878.80x = 25,318.20 × 13,598.30
  4. Step 4: Simplify right side
    16,878.80x = 344,284,479.06
  5. Step 5: Solve for x
    x = 344,284,479.06/16,878.80
  6. Step 6: Final answer
    x = 20,397.45

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Similar ratio
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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.