Home / 10,642.12-15,964.32-4,073.86

Finding the Fourth Proportional to 10,642.12, 15,964.32 and 4,073.86

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Solution

The fourth proportional to 10,642.12, 15,964.32 and 4,073.86 is: 6,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.12 : 15,964.32 = 4,073.86 : x
  2. Step 2: Convert to fraction form
    10,642.12/15,964.32 = 4,073.86/x
  3. Step 3: Cross multiply
    10,642.12x = 15,964.32 × 4,073.86
  4. Step 4: Simplify right side
    10,642.12x = 65,036,404.68
  5. Step 5: Solve for x
    x = 65,036,404.68/10,642.12
  6. Step 6: Final answer
    x = 6,111.23

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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.