Home / 14,269.16-19,691.61-7,981.58

Finding the Fourth Proportional to 14,269.16, 19,691.61 and 7,981.58

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Solution

The fourth proportional to 14,269.16, 19,691.61 and 7,981.58 is: 11,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.16 : 19,691.61 = 7,981.58 : x
  2. Step 2: Convert to fraction form
    14,269.16/19,691.61 = 7,981.58/x
  3. Step 3: Cross multiply
    14,269.16x = 19,691.61 × 7,981.58
  4. Step 4: Simplify right side
    14,269.16x = 157,170,160.54
  5. Step 5: Solve for x
    x = 157,170,160.54/14,269.16
  6. Step 6: Final answer
    x = 11,014.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.