Home / 12,600.45-17,387.80-6,934.10

Finding the Fourth Proportional to 12,600.45, 17,387.80 and 6,934.10

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Solution

The fourth proportional to 12,600.45, 17,387.80 and 6,934.10 is: 9,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.45 : 17,387.80 = 6,934.10 : x
  2. Step 2: Convert to fraction form
    12,600.45/17,387.80 = 6,934.10/x
  3. Step 3: Cross multiply
    12,600.45x = 17,387.80 × 6,934.10
  4. Step 4: Simplify right side
    12,600.45x = 120,568,639.71
  5. Step 5: Solve for x
    x = 120,568,639.71/12,600.45
  6. Step 6: Final answer
    x = 9,568.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.