Home / 15,982.20-23,973.30-8,983.80

Finding the Fourth Proportional to 15,982.20, 23,973.30 and 8,983.80

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Solution

The fourth proportional to 15,982.20, 23,973.30 and 8,983.80 is: 13,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.20 : 23,973.30 = 8,983.80 : x
  2. Step 2: Convert to fraction form
    15,982.20/23,973.30 = 8,983.80/x
  3. Step 3: Cross multiply
    15,982.20x = 23,973.30 × 8,983.80
  4. Step 4: Simplify right side
    15,982.20x = 215,371,332.54
  5. Step 5: Solve for x
    x = 215,371,332.54/15,982.20
  6. Step 6: Final answer
    x = 13,475.70

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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.