Home / 10,104.45-15,159.35-9,001.43

Finding the Fourth Proportional to 10,104.45, 15,159.35 and 9,001.43

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Solution

The fourth proportional to 10,104.45, 15,159.35 and 9,001.43 is: 13,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.45 : 15,159.35 = 9,001.43 : x
  2. Step 2: Convert to fraction form
    10,104.45/15,159.35 = 9,001.43/x
  3. Step 3: Cross multiply
    10,104.45x = 15,159.35 × 9,001.43
  4. Step 4: Simplify right side
    10,104.45x = 136,455,831.42
  5. Step 5: Solve for x
    x = 136,455,831.42/10,104.45
  6. Step 6: Final answer
    x = 13,504.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.