Home / 9,920.54-14,878.29-3,677.11

Finding the Fourth Proportional to 9,920.54, 14,878.29 and 3,677.11

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Solution

The fourth proportional to 9,920.54, 14,878.29 and 3,677.11 is: 5,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.54 : 14,878.29 = 3,677.11 : x
  2. Step 2: Convert to fraction form
    9,920.54/14,878.29 = 3,677.11/x
  3. Step 3: Cross multiply
    9,920.54x = 14,878.29 × 3,677.11
  4. Step 4: Simplify right side
    9,920.54x = 54,709,085.54
  5. Step 5: Solve for x
    x = 54,709,085.54/9,920.54
  6. Step 6: Final answer
    x = 5,514.73

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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.