Home / 13,948.25-19,248.72-7,660.76

Finding the Fourth Proportional to 13,948.25, 19,248.72 and 7,660.76

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Solution

The fourth proportional to 13,948.25, 19,248.72 and 7,660.76 is: 10,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.25 : 19,248.72 = 7,660.76 : x
  2. Step 2: Convert to fraction form
    13,948.25/19,248.72 = 7,660.76/x
  3. Step 3: Cross multiply
    13,948.25x = 19,248.72 × 7,660.76
  4. Step 4: Simplify right side
    13,948.25x = 147,459,824.23
  5. Step 5: Solve for x
    x = 147,459,824.23/13,948.25
  6. Step 6: Final answer
    x = 10,571.92

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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.