Home / 12,177.48-16,805.70-7,461.12

Finding the Fourth Proportional to 12,177.48, 16,805.70 and 7,461.12

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Solution

The fourth proportional to 12,177.48, 16,805.70 and 7,461.12 is: 10,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.48 : 16,805.70 = 7,461.12 : x
  2. Step 2: Convert to fraction form
    12,177.48/16,805.70 = 7,461.12/x
  3. Step 3: Cross multiply
    12,177.48x = 16,805.70 × 7,461.12
  4. Step 4: Simplify right side
    12,177.48x = 125,389,344.38
  5. Step 5: Solve for x
    x = 125,389,344.38/12,177.48
  6. Step 6: Final answer
    x = 10,296.82

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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.