Home / 17,088.40-25,632.60-12,167.65

Finding the Fourth Proportional to 17,088.40, 25,632.60 and 12,167.65

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Solution

The fourth proportional to 17,088.40, 25,632.60 and 12,167.65 is: 18,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.40 : 25,632.60 = 12,167.65 : x
  2. Step 2: Convert to fraction form
    17,088.40/25,632.60 = 12,167.65/x
  3. Step 3: Cross multiply
    17,088.40x = 25,632.60 × 12,167.65
  4. Step 4: Simplify right side
    17,088.40x = 311,888,505.39
  5. Step 5: Solve for x
    x = 311,888,505.39/17,088.40
  6. Step 6: Final answer
    x = 18,251.48

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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.