Home / 9,118.14-13,677.20-2,878.63

Finding the Fourth Proportional to 9,118.14, 13,677.20 and 2,878.63

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Solution

The fourth proportional to 9,118.14, 13,677.20 and 2,878.63 is: 4,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.14 : 13,677.20 = 2,878.63 : x
  2. Step 2: Convert to fraction form
    9,118.14/13,677.20 = 2,878.63/x
  3. Step 3: Cross multiply
    9,118.14x = 13,677.20 × 2,878.63
  4. Step 4: Simplify right side
    9,118.14x = 39,371,639.63
  5. Step 5: Solve for x
    x = 39,371,639.63/9,118.14
  6. Step 6: Final answer
    x = 4,317.95

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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.