Home / 19,633.12-29,446.56-5,778.88

Finding the Fourth Proportional to 19,633.12, 29,446.56 and 5,778.88

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Solution

The fourth proportional to 19,633.12, 29,446.56 and 5,778.88 is: 8,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,633.12 : 29,446.56 = 5,778.88 : x
  2. Step 2: Convert to fraction form
    19,633.12/29,446.56 = 5,778.88/x
  3. Step 3: Cross multiply
    19,633.12x = 29,446.56 × 5,778.88
  4. Step 4: Simplify right side
    19,633.12x = 170,168,136.65
  5. Step 5: Solve for x
    x = 170,168,136.65/19,633.12
  6. Step 6: Final answer
    x = 8,667.40

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1.5x scale

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.