Home / 16,246.08-22,399.20-13,258.80

Finding the Fourth Proportional to 16,246.08, 22,399.20 and 13,258.80

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Solution

The fourth proportional to 16,246.08, 22,399.20 and 13,258.80 is: 18,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,246.08 : 22,399.20 = 13,258.80 : x
  2. Step 2: Convert to fraction form
    16,246.08/22,399.20 = 13,258.80/x
  3. Step 3: Cross multiply
    16,246.08x = 22,399.20 × 13,258.80
  4. Step 4: Simplify right side
    16,246.08x = 296,986,512.96
  5. Step 5: Solve for x
    x = 296,986,512.96/16,246.08
  6. Step 6: Final answer
    x = 18,280.50

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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.