Home / 9,939.26-14,899.11-4,748.78

Finding the Fourth Proportional to 9,939.26, 14,899.11 and 4,748.78

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Solution

The fourth proportional to 9,939.26, 14,899.11 and 4,748.78 is: 7,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.26 : 14,899.11 = 4,748.78 : x
  2. Step 2: Convert to fraction form
    9,939.26/14,899.11 = 4,748.78/x
  3. Step 3: Cross multiply
    9,939.26x = 14,899.11 × 4,748.78
  4. Step 4: Simplify right side
    9,939.26x = 70,752,595.59
  5. Step 5: Solve for x
    x = 70,752,595.59/9,939.26
  6. Step 6: Final answer
    x = 7,118.50

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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.