Home / 15,554.20-23,331.30-8,555.80

Finding the Fourth Proportional to 15,554.20, 23,331.30 and 8,555.80

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Solution

The fourth proportional to 15,554.20, 23,331.30 and 8,555.80 is: 12,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.20 : 23,331.30 = 8,555.80 : x
  2. Step 2: Convert to fraction form
    15,554.20/23,331.30 = 8,555.80/x
  3. Step 3: Cross multiply
    15,554.20x = 23,331.30 × 8,555.80
  4. Step 4: Simplify right side
    15,554.20x = 199,617,936.54
  5. Step 5: Solve for x
    x = 199,617,936.54/15,554.20
  6. Step 6: Final answer
    x = 12,833.70

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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.