Home / 9,689.13-14,530.52-3,113.76

Finding the Fourth Proportional to 9,689.13, 14,530.52 and 3,113.76

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Solution

The fourth proportional to 9,689.13, 14,530.52 and 3,113.76 is: 4,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.13 : 14,530.52 = 3,113.76 : x
  2. Step 2: Convert to fraction form
    9,689.13/14,530.52 = 3,113.76/x
  3. Step 3: Cross multiply
    9,689.13x = 14,530.52 × 3,113.76
  4. Step 4: Simplify right side
    9,689.13x = 45,244,536.39
  5. Step 5: Solve for x
    x = 45,244,536.39/9,689.13
  6. Step 6: Final answer
    x = 4,669.62

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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.