Home / 10,104.29-13,943.90-5,628.43

Finding the Fourth Proportional to 10,104.29, 13,943.90 and 5,628.43

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Solution

The fourth proportional to 10,104.29, 13,943.90 and 5,628.43 is: 7,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.29 : 13,943.90 = 5,628.43 : x
  2. Step 2: Convert to fraction form
    10,104.29/13,943.90 = 5,628.43/x
  3. Step 3: Cross multiply
    10,104.29x = 13,943.90 × 5,628.43
  4. Step 4: Simplify right side
    10,104.29x = 78,482,265.08
  5. Step 5: Solve for x
    x = 78,482,265.08/10,104.29
  6. Step 6: Final answer
    x = 7,767.22

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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.