Home / 18,744.06-28,116.07-7,655.96

Finding the Fourth Proportional to 18,744.06, 28,116.07 and 7,655.96

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Solution

The fourth proportional to 18,744.06, 28,116.07 and 7,655.96 is: 11,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.06 : 28,116.07 = 7,655.96 : x
  2. Step 2: Convert to fraction form
    18,744.06/28,116.07 = 7,655.96/x
  3. Step 3: Cross multiply
    18,744.06x = 28,116.07 × 7,655.96
  4. Step 4: Simplify right side
    18,744.06x = 215,255,507.28
  5. Step 5: Solve for x
    x = 215,255,507.28/18,744.06
  6. Step 6: Final answer
    x = 11,483.93

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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.