Home / 10,272.22-15,417.96-5,345.35

Finding the Fourth Proportional to 10,272.22, 15,417.96 and 5,345.35

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Solution

The fourth proportional to 10,272.22, 15,417.96 and 5,345.35 is: 8,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.22 : 15,417.96 = 5,345.35 : x
  2. Step 2: Convert to fraction form
    10,272.22/15,417.96 = 5,345.35/x
  3. Step 3: Cross multiply
    10,272.22x = 15,417.96 × 5,345.35
  4. Step 4: Simplify right side
    10,272.22x = 82,414,392.49
  5. Step 5: Solve for x
    x = 82,414,392.49/10,272.22
  6. Step 6: Final answer
    x = 8,023.04

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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.