Home / 16,866.57-25,280.61-10,278.16

Finding the Fourth Proportional to 16,866.57, 25,280.61 and 10,278.16

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Solution

The fourth proportional to 16,866.57, 25,280.61 and 10,278.16 is: 15,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.57 : 25,280.61 = 10,278.16 : x
  2. Step 2: Convert to fraction form
    16,866.57/25,280.61 = 10,278.16/x
  3. Step 3: Cross multiply
    16,866.57x = 25,280.61 × 10,278.16
  4. Step 4: Simplify right side
    16,866.57x = 259,838,154.48
  5. Step 5: Solve for x
    x = 259,838,154.48/16,866.57
  6. Step 6: Final answer
    x = 15,405.51

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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.