Home / 9,854.19-14,781.29-4,918.86

Finding the Fourth Proportional to 9,854.19, 14,781.29 and 4,918.86

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Solution

The fourth proportional to 9,854.19, 14,781.29 and 4,918.86 is: 7,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854.19 : 14,781.29 = 4,918.86 : x
  2. Step 2: Convert to fraction form
    9,854.19/14,781.29 = 4,918.86/x
  3. Step 3: Cross multiply
    9,854.19x = 14,781.29 × 4,918.86
  4. Step 4: Simplify right side
    9,854.19x = 72,707,071.54
  5. Step 5: Solve for x
    x = 72,707,071.54/9,854.19
  6. Step 6: Final answer
    x = 7,378.29

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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.