Home / 20,724.03-31,095.23-10,860.95

Finding the Fourth Proportional to 20,724.03, 31,095.23 and 10,860.95

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Solution

The fourth proportional to 20,724.03, 31,095.23 and 10,860.95 is: 16,296.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.03 : 31,095.23 = 10,860.95 : x
  2. Step 2: Convert to fraction form
    20,724.03/31,095.23 = 10,860.95/x
  3. Step 3: Cross multiply
    20,724.03x = 31,095.23 × 10,860.95
  4. Step 4: Simplify right side
    20,724.03x = 337,723,761.70
  5. Step 5: Solve for x
    x = 337,723,761.70/20,724.03
  6. Step 6: Final answer
    x = 16,296.24

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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.