Home / 12,167.07-18,217.59-10,176.90

Finding the Fourth Proportional to 12,167.07, 18,217.59 and 10,176.90

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Solution

The fourth proportional to 12,167.07, 18,217.59 and 10,176.90 is: 15,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.07 : 18,217.59 = 10,176.90 : x
  2. Step 2: Convert to fraction form
    12,167.07/18,217.59 = 10,176.90/x
  3. Step 3: Cross multiply
    12,167.07x = 18,217.59 × 10,176.90
  4. Step 4: Simplify right side
    12,167.07x = 185,398,591.67
  5. Step 5: Solve for x
    x = 185,398,591.67/12,167.07
  6. Step 6: Final answer
    x = 15,237.74

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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.