Home / 17,141.08-25,711.36-5,454.12

Finding the Fourth Proportional to 17,141.08, 25,711.36 and 5,454.12

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Solution

The fourth proportional to 17,141.08, 25,711.36 and 5,454.12 is: 8,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,141.08 : 25,711.36 = 5,454.12 : x
  2. Step 2: Convert to fraction form
    17,141.08/25,711.36 = 5,454.12/x
  3. Step 3: Cross multiply
    17,141.08x = 25,711.36 × 5,454.12
  4. Step 4: Simplify right side
    17,141.08x = 140,232,842.80
  5. Step 5: Solve for x
    x = 140,232,842.80/17,141.08
  6. Step 6: Final answer
    x = 8,181.10

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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.