Home / 16,871.60-25,328.20-10,631.60

Finding the Fourth Proportional to 16,871.60, 25,328.20 and 10,631.60

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Solution

The fourth proportional to 16,871.60, 25,328.20 and 10,631.60 is: 15,960.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.60 : 25,328.20 = 10,631.60 : x
  2. Step 2: Convert to fraction form
    16,871.60/25,328.20 = 10,631.60/x
  3. Step 3: Cross multiply
    16,871.60x = 25,328.20 × 10,631.60
  4. Step 4: Simplify right side
    16,871.60x = 269,279,291.12
  5. Step 5: Solve for x
    x = 269,279,291.12/16,871.60
  6. Step 6: Final answer
    x = 15,960.51

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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.