Home / 18,276.28-27,422.76-9,943.80

Finding the Fourth Proportional to 18,276.28, 27,422.76 and 9,943.80

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Solution

The fourth proportional to 18,276.28, 27,422.76 and 9,943.80 is: 14,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.28 : 27,422.76 = 9,943.80 : x
  2. Step 2: Convert to fraction form
    18,276.28/27,422.76 = 9,943.80/x
  3. Step 3: Cross multiply
    18,276.28x = 27,422.76 × 9,943.80
  4. Step 4: Simplify right side
    18,276.28x = 272,686,440.89
  5. Step 5: Solve for x
    x = 272,686,440.89/18,276.28
  6. Step 6: Final answer
    x = 14,920.24

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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.