Home / 10,552.44-15,832.90-3,980.48

Finding the Fourth Proportional to 10,552.44, 15,832.90 and 3,980.48

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Solution

The fourth proportional to 10,552.44, 15,832.90 and 3,980.48 is: 5,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.44 : 15,832.90 = 3,980.48 : x
  2. Step 2: Convert to fraction form
    10,552.44/15,832.90 = 3,980.48/x
  3. Step 3: Cross multiply
    10,552.44x = 15,832.90 × 3,980.48
  4. Step 4: Simplify right side
    10,552.44x = 63,022,541.79
  5. Step 5: Solve for x
    x = 63,022,541.79/10,552.44
  6. Step 6: Final answer
    x = 5,972.32

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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.