Home / 13,005.28-19,551.42-10,264.99

Finding the Fourth Proportional to 13,005.28, 19,551.42 and 10,264.99

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Solution

The fourth proportional to 13,005.28, 19,551.42 and 10,264.99 is: 15,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.28 : 19,551.42 = 10,264.99 : x
  2. Step 2: Convert to fraction form
    13,005.28/19,551.42 = 10,264.99/x
  3. Step 3: Cross multiply
    13,005.28x = 19,551.42 × 10,264.99
  4. Step 4: Simplify right side
    13,005.28x = 200,694,981.70
  5. Step 5: Solve for x
    x = 200,694,981.70/13,005.28
  6. Step 6: Final answer
    x = 15,431.81

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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.