Home / 10,249.28-14,146.08-8,006.72

Finding the Fourth Proportional to 10,249.28, 14,146.08 and 8,006.72

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Solution

The fourth proportional to 10,249.28, 14,146.08 and 8,006.72 is: 11,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.28 : 14,146.08 = 8,006.72 : x
  2. Step 2: Convert to fraction form
    10,249.28/14,146.08 = 8,006.72/x
  3. Step 3: Cross multiply
    10,249.28x = 14,146.08 × 8,006.72
  4. Step 4: Simplify right side
    10,249.28x = 113,263,701.66
  5. Step 5: Solve for x
    x = 113,263,701.66/10,249.28
  6. Step 6: Final answer
    x = 11,050.89

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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.