Home / 17,318.18-25,977.28-13,877.30

Finding the Fourth Proportional to 17,318.18, 25,977.28 and 13,877.30

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Solution

The fourth proportional to 17,318.18, 25,977.28 and 13,877.30 is: 20,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.18 : 25,977.28 = 13,877.30 : x
  2. Step 2: Convert to fraction form
    17,318.18/25,977.28 = 13,877.30/x
  3. Step 3: Cross multiply
    17,318.18x = 25,977.28 × 13,877.30
  4. Step 4: Simplify right side
    17,318.18x = 360,494,507.74
  5. Step 5: Solve for x
    x = 360,494,507.74/17,318.18
  6. Step 6: Final answer
    x = 20,815.96

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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.