Home / 10,542.44-15,816.40-3,146.90

Finding the Fourth Proportional to 10,542.44, 15,816.40 and 3,146.90

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Solution

The fourth proportional to 10,542.44, 15,816.40 and 3,146.90 is: 4,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.44 : 15,816.40 = 3,146.90 : x
  2. Step 2: Convert to fraction form
    10,542.44/15,816.40 = 3,146.90/x
  3. Step 3: Cross multiply
    10,542.44x = 15,816.40 × 3,146.90
  4. Step 4: Simplify right side
    10,542.44x = 49,772,542.21
  5. Step 5: Solve for x
    x = 49,772,542.21/10,542.44
  6. Step 6: Final answer
    x = 4,721.16

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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.