Home / 13,948.19-19,248.50-7,660.97

Finding the Fourth Proportional to 13,948.19, 19,248.50 and 7,660.97

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Solution

The fourth proportional to 13,948.19, 19,248.50 and 7,660.97 is: 10,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.19 : 19,248.50 = 7,660.97 : x
  2. Step 2: Convert to fraction form
    13,948.19/19,248.50 = 7,660.97/x
  3. Step 3: Cross multiply
    13,948.19x = 19,248.50 × 7,660.97
  4. Step 4: Simplify right side
    13,948.19x = 147,462,181.05
  5. Step 5: Solve for x
    x = 147,462,181.05/13,948.19
  6. Step 6: Final answer
    x = 10,572.14

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1.5x scale

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.