Home / 19,626.52-29,439.80-7,939.84

Finding the Fourth Proportional to 19,626.52, 29,439.80 and 7,939.84

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Solution

The fourth proportional to 19,626.52, 29,439.80 and 7,939.84 is: 11,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.52 : 29,439.80 = 7,939.84 : x
  2. Step 2: Convert to fraction form
    19,626.52/29,439.80 = 7,939.84/x
  3. Step 3: Cross multiply
    19,626.52x = 29,439.80 × 7,939.84
  4. Step 4: Simplify right side
    19,626.52x = 233,747,301.63
  5. Step 5: Solve for x
    x = 233,747,301.63/19,626.52
  6. Step 6: Final answer
    x = 11,909.77

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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.