Home / 15,233.32-21,020.61-8,859.97

Finding the Fourth Proportional to 15,233.32, 21,020.61 and 8,859.97

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Solution

The fourth proportional to 15,233.32, 21,020.61 and 8,859.97 is: 12,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.32 : 21,020.61 = 8,859.97 : x
  2. Step 2: Convert to fraction form
    15,233.32/21,020.61 = 8,859.97/x
  3. Step 3: Cross multiply
    15,233.32x = 21,020.61 × 8,859.97
  4. Step 4: Simplify right side
    15,233.32x = 186,241,973.98
  5. Step 5: Solve for x
    x = 186,241,973.98/15,233.32
  6. Step 6: Final answer
    x = 12,225.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.