Home / 21,573.70-32,365.17-12,218.14

Finding the Fourth Proportional to 21,573.70, 32,365.17 and 12,218.14

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Solution

The fourth proportional to 21,573.70, 32,365.17 and 12,218.14 is: 18,329.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573.70 : 32,365.17 = 12,218.14 : x
  2. Step 2: Convert to fraction form
    21,573.70/32,365.17 = 12,218.14/x
  3. Step 3: Cross multiply
    21,573.70x = 32,365.17 × 12,218.14
  4. Step 4: Simplify right side
    21,573.70x = 395,442,178.18
  5. Step 5: Solve for x
    x = 395,442,178.18/21,573.70
  6. Step 6: Final answer
    x = 18,329.83

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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.