Home / 9,921.18-13,689.90-7,263.84

Finding the Fourth Proportional to 9,921.18, 13,689.90 and 7,263.84

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Solution

The fourth proportional to 9,921.18, 13,689.90 and 7,263.84 is: 10,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.18 : 13,689.90 = 7,263.84 : x
  2. Step 2: Convert to fraction form
    9,921.18/13,689.90 = 7,263.84/x
  3. Step 3: Cross multiply
    9,921.18x = 13,689.90 × 7,263.84
  4. Step 4: Simplify right side
    9,921.18x = 99,441,243.22
  5. Step 5: Solve for x
    x = 99,441,243.22/9,921.18
  6. Step 6: Final answer
    x = 10,023.13

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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.