Home / 15,279.04-22,921.92-4,891.84

Finding the Fourth Proportional to 15,279.04, 22,921.92 and 4,891.84

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Solution

The fourth proportional to 15,279.04, 22,921.92 and 4,891.84 is: 7,338.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.04 : 22,921.92 = 4,891.84 : x
  2. Step 2: Convert to fraction form
    15,279.04/22,921.92 = 4,891.84/x
  3. Step 3: Cross multiply
    15,279.04x = 22,921.92 × 4,891.84
  4. Step 4: Simplify right side
    15,279.04x = 112,130,365.13
  5. Step 5: Solve for x
    x = 112,130,365.13/15,279.04
  6. Step 6: Final answer
    x = 7,338.84

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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.