Home / 18,702.27-28,053.36-5,554.62

Finding the Fourth Proportional to 18,702.27, 28,053.36 and 5,554.62

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Solution

The fourth proportional to 18,702.27, 28,053.36 and 5,554.62 is: 8,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702.27 : 28,053.36 = 5,554.62 : x
  2. Step 2: Convert to fraction form
    18,702.27/28,053.36 = 5,554.62/x
  3. Step 3: Cross multiply
    18,702.27x = 28,053.36 × 5,554.62
  4. Step 4: Simplify right side
    18,702.27x = 155,825,754.52
  5. Step 5: Solve for x
    x = 155,825,754.52/18,702.27
  6. Step 6: Final answer
    x = 8,331.92

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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.