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Finding the Fourth Proportional to 10,629, 15,944.40 and 3,967.32

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Solution

The fourth proportional to 10,629, 15,944.40 and 3,967.32 is: 5,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629 : 15,944.40 = 3,967.32 : x
  2. Step 2: Convert to fraction form
    10,629/15,944.40 = 3,967.32/x
  3. Step 3: Cross multiply
    10,629x = 15,944.40 × 3,967.32
  4. Step 4: Simplify right side
    10,629x = 63,256,537.01
  5. Step 5: Solve for x
    x = 63,256,537.01/10,629
  6. Step 6: Final answer
    x = 5,951.32

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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.