Home / 11,685.56-16,126.40-6,650.48

Finding the Fourth Proportional to 11,685.56, 16,126.40 and 6,650.48

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Solution

The fourth proportional to 11,685.56, 16,126.40 and 6,650.48 is: 9,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.56 : 16,126.40 = 6,650.48 : x
  2. Step 2: Convert to fraction form
    11,685.56/16,126.40 = 6,650.48/x
  3. Step 3: Cross multiply
    11,685.56x = 16,126.40 × 6,650.48
  4. Step 4: Simplify right side
    11,685.56x = 107,248,300.67
  5. Step 5: Solve for x
    x = 107,248,300.67/11,685.56
  6. Step 6: Final answer
    x = 9,177.85

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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.