Home / 10,336.80-14,264.78-5,621.08

Finding the Fourth Proportional to 10,336.80, 14,264.78 and 5,621.08

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Solution

The fourth proportional to 10,336.80, 14,264.78 and 5,621.08 is: 7,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.80 : 14,264.78 = 5,621.08 : x
  2. Step 2: Convert to fraction form
    10,336.80/14,264.78 = 5,621.08/x
  3. Step 3: Cross multiply
    10,336.80x = 14,264.78 × 5,621.08
  4. Step 4: Simplify right side
    10,336.80x = 80,183,469.56
  5. Step 5: Solve for x
    x = 80,183,469.56/10,336.80
  6. Step 6: Final answer
    x = 7,757.09

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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.