Home / 11,677.53-16,115.35-6,642.48

Finding the Fourth Proportional to 11,677.53, 16,115.35 and 6,642.48

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Solution

The fourth proportional to 11,677.53, 16,115.35 and 6,642.48 is: 9,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.53 : 16,115.35 = 6,642.48 : x
  2. Step 2: Convert to fraction form
    11,677.53/16,115.35 = 6,642.48/x
  3. Step 3: Cross multiply
    11,677.53x = 16,115.35 × 6,642.48
  4. Step 4: Simplify right side
    11,677.53x = 107,045,873.46
  5. Step 5: Solve for x
    x = 107,045,873.46/11,677.53
  6. Step 6: Final answer
    x = 9,166.82

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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.