Home / 12,470.68-17,209.38-6,881.32

Finding the Fourth Proportional to 12,470.68, 17,209.38 and 6,881.32

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Solution

The fourth proportional to 12,470.68, 17,209.38 and 6,881.32 is: 9,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.68 : 17,209.38 = 6,881.32 : x
  2. Step 2: Convert to fraction form
    12,470.68/17,209.38 = 6,881.32/x
  3. Step 3: Cross multiply
    12,470.68x = 17,209.38 × 6,881.32
  4. Step 4: Simplify right side
    12,470.68x = 118,423,250.78
  5. Step 5: Solve for x
    x = 118,423,250.78/12,470.68
  6. Step 6: Final answer
    x = 9,496.13

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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.