Home / 18,275.90-27,424.29-9,955.58

Finding the Fourth Proportional to 18,275.90, 27,424.29 and 9,955.58

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Solution

The fourth proportional to 18,275.90, 27,424.29 and 9,955.58 is: 14,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.90 : 27,424.29 = 9,955.58 : x
  2. Step 2: Convert to fraction form
    18,275.90/27,424.29 = 9,955.58/x
  3. Step 3: Cross multiply
    18,275.90x = 27,424.29 × 9,955.58
  4. Step 4: Simplify right side
    18,275.90x = 273,024,713.04
  5. Step 5: Solve for x
    x = 273,024,713.04/18,275.90
  6. Step 6: Final answer
    x = 14,939.06

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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.