Home / 10,331.20-14,263.93-7,936.91

Finding the Fourth Proportional to 10,331.20, 14,263.93 and 7,936.91

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Solution

The fourth proportional to 10,331.20, 14,263.93 and 7,936.91 is: 10,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.20 : 14,263.93 = 7,936.91 : x
  2. Step 2: Convert to fraction form
    10,331.20/14,263.93 = 7,936.91/x
  3. Step 3: Cross multiply
    10,331.20x = 14,263.93 × 7,936.91
  4. Step 4: Simplify right side
    10,331.20x = 113,211,488.97
  5. Step 5: Solve for x
    x = 113,211,488.97/10,331.20
  6. Step 6: Final answer
    x = 10,958.21

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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.