Home / 11,862.20-16,370.13-6,557.09

Finding the Fourth Proportional to 11,862.20, 16,370.13 and 6,557.09

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Solution

The fourth proportional to 11,862.20, 16,370.13 and 6,557.09 is: 9,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.20 : 16,370.13 = 6,557.09 : x
  2. Step 2: Convert to fraction form
    11,862.20/16,370.13 = 6,557.09/x
  3. Step 3: Cross multiply
    11,862.20x = 16,370.13 × 6,557.09
  4. Step 4: Simplify right side
    11,862.20x = 107,340,415.72
  5. Step 5: Solve for x
    x = 107,340,415.72/11,862.20
  6. Step 6: Final answer
    x = 9,048.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.