Home / 13,441.38-20,152.08-8,177.46

Finding the Fourth Proportional to 13,441.38, 20,152.08 and 8,177.46

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Solution

The fourth proportional to 13,441.38, 20,152.08 and 8,177.46 is: 12,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.38 : 20,152.08 = 8,177.46 : x
  2. Step 2: Convert to fraction form
    13,441.38/20,152.08 = 8,177.46/x
  3. Step 3: Cross multiply
    13,441.38x = 20,152.08 × 8,177.46
  4. Step 4: Simplify right side
    13,441.38x = 164,792,828.12
  5. Step 5: Solve for x
    x = 164,792,828.12/13,441.38
  6. Step 6: Final answer
    x = 12,260.11

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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.