Home / 10,167.46-15,176.72-8,969.07

Finding the Fourth Proportional to 10,167.46, 15,176.72 and 8,969.07

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Solution

The fourth proportional to 10,167.46, 15,176.72 and 8,969.07 is: 13,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.46 : 15,176.72 = 8,969.07 : x
  2. Step 2: Convert to fraction form
    10,167.46/15,176.72 = 8,969.07/x
  3. Step 3: Cross multiply
    10,167.46x = 15,176.72 × 8,969.07
  4. Step 4: Simplify right side
    10,167.46x = 136,121,064.05
  5. Step 5: Solve for x
    x = 136,121,064.05/10,167.46
  6. Step 6: Final answer
    x = 13,387.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.