Home / 19,976.06-29,964.33-5,184.08

Finding the Fourth Proportional to 19,976.06, 29,964.33 and 5,184.08

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Solution

The fourth proportional to 19,976.06, 29,964.33 and 5,184.08 is: 7,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.06 : 29,964.33 = 5,184.08 : x
  2. Step 2: Convert to fraction form
    19,976.06/29,964.33 = 5,184.08/x
  3. Step 3: Cross multiply
    19,976.06x = 29,964.33 × 5,184.08
  4. Step 4: Simplify right side
    19,976.06x = 155,337,446.41
  5. Step 5: Solve for x
    x = 155,337,446.41/19,976.06
  6. Step 6: Final answer
    x = 7,776.18

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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.