Home / 13,454.59-20,175.90-5,657.89

Finding the Fourth Proportional to 13,454.59, 20,175.90 and 5,657.89

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Solution

The fourth proportional to 13,454.59, 20,175.90 and 5,657.89 is: 8,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.59 : 20,175.90 = 5,657.89 : x
  2. Step 2: Convert to fraction form
    13,454.59/20,175.90 = 5,657.89/x
  3. Step 3: Cross multiply
    13,454.59x = 20,175.90 × 5,657.89
  4. Step 4: Simplify right side
    13,454.59x = 114,153,022.85
  5. Step 5: Solve for x
    x = 114,153,022.85/13,454.59
  6. Step 6: Final answer
    x = 8,484.32

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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.