Home / 12,559.47-17,334.46-8,310.62

Finding the Fourth Proportional to 12,559.47, 17,334.46 and 8,310.62

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Solution

The fourth proportional to 12,559.47, 17,334.46 and 8,310.62 is: 11,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.47 : 17,334.46 = 8,310.62 : x
  2. Step 2: Convert to fraction form
    12,559.47/17,334.46 = 8,310.62/x
  3. Step 3: Cross multiply
    12,559.47x = 17,334.46 × 8,310.62
  4. Step 4: Simplify right side
    12,559.47x = 144,060,109.97
  5. Step 5: Solve for x
    x = 144,060,109.97/12,559.47
  6. Step 6: Final answer
    x = 11,470.24

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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.