Home / 21,200.04-31,799.39-9,350.15

Finding the Fourth Proportional to 21,200.04, 31,799.39 and 9,350.15

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Solution

The fourth proportional to 21,200.04, 31,799.39 and 9,350.15 is: 14,024.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,200.04 : 31,799.39 = 9,350.15 : x
  2. Step 2: Convert to fraction form
    21,200.04/31,799.39 = 9,350.15/x
  3. Step 3: Cross multiply
    21,200.04x = 31,799.39 × 9,350.15
  4. Step 4: Simplify right side
    21,200.04x = 297,328,860.66
  5. Step 5: Solve for x
    x = 297,328,860.66/21,200.04
  6. Step 6: Final answer
    x = 14,024.92

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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.