Home / 10,663.21-15,995.19-2,872.21

Finding the Fourth Proportional to 10,663.21, 15,995.19 and 2,872.21

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Solution

The fourth proportional to 10,663.21, 15,995.19 and 2,872.21 is: 4,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.21 : 15,995.19 = 2,872.21 : x
  2. Step 2: Convert to fraction form
    10,663.21/15,995.19 = 2,872.21/x
  3. Step 3: Cross multiply
    10,663.21x = 15,995.19 × 2,872.21
  4. Step 4: Simplify right side
    10,663.21x = 45,941,544.67
  5. Step 5: Solve for x
    x = 45,941,544.67/10,663.21
  6. Step 6: Final answer
    x = 4,308.42

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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.