Home / 12,205.10-18,291.45-6,360.14

Finding the Fourth Proportional to 12,205.10, 18,291.45 and 6,360.14

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Solution

The fourth proportional to 12,205.10, 18,291.45 and 6,360.14 is: 9,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205.10 : 18,291.45 = 6,360.14 : x
  2. Step 2: Convert to fraction form
    12,205.10/18,291.45 = 6,360.14/x
  3. Step 3: Cross multiply
    12,205.10x = 18,291.45 × 6,360.14
  4. Step 4: Simplify right side
    12,205.10x = 116,336,182.80
  5. Step 5: Solve for x
    x = 116,336,182.80/12,205.10
  6. Step 6: Final answer
    x = 9,531.77

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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.