Home / 8,917.95-13,397.43-6,291.51

Finding the Fourth Proportional to 8,917.95, 13,397.43 and 6,291.51

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Solution

The fourth proportional to 8,917.95, 13,397.43 and 6,291.51 is: 9,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.95 : 13,397.43 = 6,291.51 : x
  2. Step 2: Convert to fraction form
    8,917.95/13,397.43 = 6,291.51/x
  3. Step 3: Cross multiply
    8,917.95x = 13,397.43 × 6,291.51
  4. Step 4: Simplify right side
    8,917.95x = 84,290,013.56
  5. Step 5: Solve for x
    x = 84,290,013.56/8,917.95
  6. Step 6: Final answer
    x = 9,451.73

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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.