Home / 10,366.45-15,550.49-5,104.29

Finding the Fourth Proportional to 10,366.45, 15,550.49 and 5,104.29

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Solution

The fourth proportional to 10,366.45, 15,550.49 and 5,104.29 is: 7,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.45 : 15,550.49 = 5,104.29 : x
  2. Step 2: Convert to fraction form
    10,366.45/15,550.49 = 5,104.29/x
  3. Step 3: Cross multiply
    10,366.45x = 15,550.49 × 5,104.29
  4. Step 4: Simplify right side
    10,366.45x = 79,374,210.60
  5. Step 5: Solve for x
    x = 79,374,210.60/10,366.45
  6. Step 6: Final answer
    x = 7,656.84

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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.