Home / 8,373.60-11,529.28-7,112

Finding the Fourth Proportional to 8,373.60, 11,529.28 and 7,112

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Solution

The fourth proportional to 8,373.60, 11,529.28 and 7,112 is: 9,792.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.60 : 11,529.28 = 7,112 : x
  2. Step 2: Convert to fraction form
    8,373.60/11,529.28 = 7,112/x
  3. Step 3: Cross multiply
    8,373.60x = 11,529.28 × 7,112
  4. Step 4: Simplify right side
    8,373.60x = 81,996,239.36
  5. Step 5: Solve for x
    x = 81,996,239.36/8,373.60
  6. Step 6: Final answer
    x = 9,792.23

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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.