Home / 12,057.13-16,638.71-6,751.97

Finding the Fourth Proportional to 12,057.13, 16,638.71 and 6,751.97

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Solution

The fourth proportional to 12,057.13, 16,638.71 and 6,751.97 is: 9,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.13 : 16,638.71 = 6,751.97 : x
  2. Step 2: Convert to fraction form
    12,057.13/16,638.71 = 6,751.97/x
  3. Step 3: Cross multiply
    12,057.13x = 16,638.71 × 6,751.97
  4. Step 4: Simplify right side
    12,057.13x = 112,344,070.76
  5. Step 5: Solve for x
    x = 112,344,070.76/12,057.13
  6. Step 6: Final answer
    x = 9,317.65

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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.