Home / 10,072.32-13,900.68-5,881.92

Finding the Fourth Proportional to 10,072.32, 13,900.68 and 5,881.92

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Solution

The fourth proportional to 10,072.32, 13,900.68 and 5,881.92 is: 8,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.32 : 13,900.68 = 5,881.92 : x
  2. Step 2: Convert to fraction form
    10,072.32/13,900.68 = 5,881.92/x
  3. Step 3: Cross multiply
    10,072.32x = 13,900.68 × 5,881.92
  4. Step 4: Simplify right side
    10,072.32x = 81,762,687.71
  5. Step 5: Solve for x
    x = 81,762,687.71/10,072.32
  6. Step 6: Final answer
    x = 8,117.56

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