Home / 19,371.66-29,016.25-14,639.54

Finding the Fourth Proportional to 19,371.66, 29,016.25 and 14,639.54

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Solution

The fourth proportional to 19,371.66, 29,016.25 and 14,639.54 is: 21,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.66 : 29,016.25 = 14,639.54 : x
  2. Step 2: Convert to fraction form
    19,371.66/29,016.25 = 14,639.54/x
  3. Step 3: Cross multiply
    19,371.66x = 29,016.25 × 14,639.54
  4. Step 4: Simplify right side
    19,371.66x = 424,784,552.53
  5. Step 5: Solve for x
    x = 424,784,552.53/19,371.66
  6. Step 6: Final answer
    x = 21,928.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.