Home / 10,320.80-15,504.24-9,932

Finding the Fourth Proportional to 10,320.80, 15,504.24 and 9,932

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Solution

The fourth proportional to 10,320.80, 15,504.24 and 9,932 is: 14,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.80 : 15,504.24 = 9,932 : x
  2. Step 2: Convert to fraction form
    10,320.80/15,504.24 = 9,932/x
  3. Step 3: Cross multiply
    10,320.80x = 15,504.24 × 9,932
  4. Step 4: Simplify right side
    10,320.80x = 153,988,111.68
  5. Step 5: Solve for x
    x = 153,988,111.68/10,320.80
  6. Step 6: Final answer
    x = 14,920.17

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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.