Home / 8,855.19-13,264.56-6,394.95

Finding the Fourth Proportional to 8,855.19, 13,264.56 and 6,394.95

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Solution

The fourth proportional to 8,855.19, 13,264.56 and 6,394.95 is: 9,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.19 : 13,264.56 = 6,394.95 : x
  2. Step 2: Convert to fraction form
    8,855.19/13,264.56 = 6,394.95/x
  3. Step 3: Cross multiply
    8,855.19x = 13,264.56 × 6,394.95
  4. Step 4: Simplify right side
    8,855.19x = 84,826,197.97
  5. Step 5: Solve for x
    x = 84,826,197.97/8,855.19
  6. Step 6: Final answer
    x = 9,579.26

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1.5x scale

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.