Home / 18,639.52-27,951.08-9,872.38

Finding the Fourth Proportional to 18,639.52, 27,951.08 and 9,872.38

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Solution

The fourth proportional to 18,639.52, 27,951.08 and 9,872.38 is: 14,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639.52 : 27,951.08 = 9,872.38 : x
  2. Step 2: Convert to fraction form
    18,639.52/27,951.08 = 9,872.38/x
  3. Step 3: Cross multiply
    18,639.52x = 27,951.08 × 9,872.38
  4. Step 4: Simplify right side
    18,639.52x = 275,943,683.17
  5. Step 5: Solve for x
    x = 275,943,683.17/18,639.52
  6. Step 6: Final answer
    x = 14,804.23

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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.