Home / 17,119.80-25,678.08-5,432.04

Finding the Fourth Proportional to 17,119.80, 25,678.08 and 5,432.04

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Solution

The fourth proportional to 17,119.80, 25,678.08 and 5,432.04 is: 8,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.80 : 25,678.08 = 5,432.04 : x
  2. Step 2: Convert to fraction form
    17,119.80/25,678.08 = 5,432.04/x
  3. Step 3: Cross multiply
    17,119.80x = 25,678.08 × 5,432.04
  4. Step 4: Simplify right side
    17,119.80x = 139,484,357.68
  5. Step 5: Solve for x
    x = 139,484,357.68/17,119.80
  6. Step 6: Final answer
    x = 8,147.55

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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.