Home / 16,387.76-22,615.07-9,314.18

Finding the Fourth Proportional to 16,387.76, 22,615.07 and 9,314.18

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Solution

The fourth proportional to 16,387.76, 22,615.07 and 9,314.18 is: 12,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.76 : 22,615.07 = 9,314.18 : x
  2. Step 2: Convert to fraction form
    16,387.76/22,615.07 = 9,314.18/x
  3. Step 3: Cross multiply
    16,387.76x = 22,615.07 × 9,314.18
  4. Step 4: Simplify right side
    16,387.76x = 210,640,912.52
  5. Step 5: Solve for x
    x = 210,640,912.52/16,387.76
  6. Step 6: Final answer
    x = 12,853.55

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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.