Home / 10,267.88-15,402.76-2,872.32

Finding the Fourth Proportional to 10,267.88, 15,402.76 and 2,872.32

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Solution

The fourth proportional to 10,267.88, 15,402.76 and 2,872.32 is: 4,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.88 : 15,402.76 = 2,872.32 : x
  2. Step 2: Convert to fraction form
    10,267.88/15,402.76 = 2,872.32/x
  3. Step 3: Cross multiply
    10,267.88x = 15,402.76 × 2,872.32
  4. Step 4: Simplify right side
    10,267.88x = 44,241,606.04
  5. Step 5: Solve for x
    x = 44,241,606.04/10,267.88
  6. Step 6: Final answer
    x = 4,308.74

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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.