Home / 15,944.50-22,003.41-9,320.50

Finding the Fourth Proportional to 15,944.50, 22,003.41 and 9,320.50

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Solution

The fourth proportional to 15,944.50, 22,003.41 and 9,320.50 is: 12,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.50 : 22,003.41 = 9,320.50 : x
  2. Step 2: Convert to fraction form
    15,944.50/22,003.41 = 9,320.50/x
  3. Step 3: Cross multiply
    15,944.50x = 22,003.41 × 9,320.50
  4. Step 4: Simplify right side
    15,944.50x = 205,082,782.91
  5. Step 5: Solve for x
    x = 205,082,782.91/15,944.50
  6. Step 6: Final answer
    x = 12,862.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.