Home / 11,176.79-16,758.77-8,642.97

Finding the Fourth Proportional to 11,176.79, 16,758.77 and 8,642.97

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Solution

The fourth proportional to 11,176.79, 16,758.77 and 8,642.97 is: 12,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.79 : 16,758.77 = 8,642.97 : x
  2. Step 2: Convert to fraction form
    11,176.79/16,758.77 = 8,642.97/x
  3. Step 3: Cross multiply
    11,176.79x = 16,758.77 × 8,642.97
  4. Step 4: Simplify right side
    11,176.79x = 144,845,503.13
  5. Step 5: Solve for x
    x = 144,845,503.13/11,176.79
  6. Step 6: Final answer
    x = 12,959.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.