Home / 10,489.44-15,739.56-4,650.18

Finding the Fourth Proportional to 10,489.44, 15,739.56 and 4,650.18

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Solution

The fourth proportional to 10,489.44, 15,739.56 and 4,650.18 is: 6,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.44 : 15,739.56 = 4,650.18 : x
  2. Step 2: Convert to fraction form
    10,489.44/15,739.56 = 4,650.18/x
  3. Step 3: Cross multiply
    10,489.44x = 15,739.56 × 4,650.18
  4. Step 4: Simplify right side
    10,489.44x = 73,191,787.12
  5. Step 5: Solve for x
    x = 73,191,787.12/10,489.44
  6. Step 6: Final answer
    x = 6,977.66

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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.