Home / 15,185.96-22,785.42-7,392.68

Finding the Fourth Proportional to 15,185.96, 22,785.42 and 7,392.68

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Solution

The fourth proportional to 15,185.96, 22,785.42 and 7,392.68 is: 11,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.96 : 22,785.42 = 7,392.68 : x
  2. Step 2: Convert to fraction form
    15,185.96/22,785.42 = 7,392.68/x
  3. Step 3: Cross multiply
    15,185.96x = 22,785.42 × 7,392.68
  4. Step 4: Simplify right side
    15,185.96x = 168,445,318.73
  5. Step 5: Solve for x
    x = 168,445,318.73/15,185.96
  6. Step 6: Final answer
    x = 11,092.17

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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.