Home / 19,618.65-29,444.18-9,104.85

Finding the Fourth Proportional to 19,618.65, 29,444.18 and 9,104.85

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Solution

The fourth proportional to 19,618.65, 29,444.18 and 9,104.85 is: 13,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.65 : 29,444.18 = 9,104.85 : x
  2. Step 2: Convert to fraction form
    19,618.65/29,444.18 = 9,104.85/x
  3. Step 3: Cross multiply
    19,618.65x = 29,444.18 × 9,104.85
  4. Step 4: Simplify right side
    19,618.65x = 268,084,796.75
  5. Step 5: Solve for x
    x = 268,084,796.75/19,618.65
  6. Step 6: Final answer
    x = 13,664.79

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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.