Home / 10,641.44-15,944.56-5,440.16

Finding the Fourth Proportional to 10,641.44, 15,944.56 and 5,440.16

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Solution

The fourth proportional to 10,641.44, 15,944.56 and 5,440.16 is: 8,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.44 : 15,944.56 = 5,440.16 : x
  2. Step 2: Convert to fraction form
    10,641.44/15,944.56 = 5,440.16/x
  3. Step 3: Cross multiply
    10,641.44x = 15,944.56 × 5,440.16
  4. Step 4: Simplify right side
    10,641.44x = 86,740,957.53
  5. Step 5: Solve for x
    x = 86,740,957.53/10,641.44
  6. Step 6: Final answer
    x = 8,151.24

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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.