Home / 18,732.72-28,101.24-6,254.40

Finding the Fourth Proportional to 18,732.72, 28,101.24 and 6,254.40

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Solution

The fourth proportional to 18,732.72, 28,101.24 and 6,254.40 is: 9,382.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.72 : 28,101.24 = 6,254.40 : x
  2. Step 2: Convert to fraction form
    18,732.72/28,101.24 = 6,254.40/x
  3. Step 3: Cross multiply
    18,732.72x = 28,101.24 × 6,254.40
  4. Step 4: Simplify right side
    18,732.72x = 175,756,395.46
  5. Step 5: Solve for x
    x = 175,756,395.46/18,732.72
  6. Step 6: Final answer
    x = 9,382.32

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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.