Home / 12,246.13-16,899.65-6,657.13

Finding the Fourth Proportional to 12,246.13, 16,899.65 and 6,657.13

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Solution

The fourth proportional to 12,246.13, 16,899.65 and 6,657.13 is: 9,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.13 : 16,899.65 = 6,657.13 : x
  2. Step 2: Convert to fraction form
    12,246.13/16,899.65 = 6,657.13/x
  3. Step 3: Cross multiply
    12,246.13x = 16,899.65 × 6,657.13
  4. Step 4: Simplify right side
    12,246.13x = 112,503,167.00
  5. Step 5: Solve for x
    x = 112,503,167.00/12,246.13
  6. Step 6: Final answer
    x = 9,186.83

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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.