Home / 10,449.11-15,730.68-9,530.57

Finding the Fourth Proportional to 10,449.11, 15,730.68 and 9,530.57

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Solution

The fourth proportional to 10,449.11, 15,730.68 and 9,530.57 is: 14,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.11 : 15,730.68 = 9,530.57 : x
  2. Step 2: Convert to fraction form
    10,449.11/15,730.68 = 9,530.57/x
  3. Step 3: Cross multiply
    10,449.11x = 15,730.68 × 9,530.57
  4. Step 4: Simplify right side
    10,449.11x = 149,922,421.95
  5. Step 5: Solve for x
    x = 149,922,421.95/10,449.11
  6. Step 6: Final answer
    x = 14,347.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.