Home / 19,469.68-26,868.18-10,517.20

Finding the Fourth Proportional to 19,469.68, 26,868.18 and 10,517.20

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Solution

The fourth proportional to 19,469.68, 26,868.18 and 10,517.20 is: 14,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.68 : 26,868.18 = 10,517.20 : x
  2. Step 2: Convert to fraction form
    19,469.68/26,868.18 = 10,517.20/x
  3. Step 3: Cross multiply
    19,469.68x = 26,868.18 × 10,517.20
  4. Step 4: Simplify right side
    19,469.68x = 282,578,022.70
  5. Step 5: Solve for x
    x = 282,578,022.70/19,469.68
  6. Step 6: Final answer
    x = 14,513.75

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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.