Home / 10,244.40-14,135.49-5,767.80

Finding the Fourth Proportional to 10,244.40, 14,135.49 and 5,767.80

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Solution

The fourth proportional to 10,244.40, 14,135.49 and 5,767.80 is: 7,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.40 : 14,135.49 = 5,767.80 : x
  2. Step 2: Convert to fraction form
    10,244.40/14,135.49 = 5,767.80/x
  3. Step 3: Cross multiply
    10,244.40x = 14,135.49 × 5,767.80
  4. Step 4: Simplify right side
    10,244.40x = 81,530,679.22
  5. Step 5: Solve for x
    x = 81,530,679.22/10,244.40
  6. Step 6: Final answer
    x = 7,958.56

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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.