Home / 17,145.08-25,717.35-5,458.13

Finding the Fourth Proportional to 17,145.08, 25,717.35 and 5,458.13

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Solution

The fourth proportional to 17,145.08, 25,717.35 and 5,458.13 is: 8,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.08 : 25,717.35 = 5,458.13 : x
  2. Step 2: Convert to fraction form
    17,145.08/25,717.35 = 5,458.13/x
  3. Step 3: Cross multiply
    17,145.08x = 25,717.35 × 5,458.13
  4. Step 4: Simplify right side
    17,145.08x = 140,368,639.56
  5. Step 5: Solve for x
    x = 140,368,639.56/17,145.08
  6. Step 6: Final answer
    x = 8,187.11

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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.