Home / 10,329.75-15,550.83-9,411.21

Finding the Fourth Proportional to 10,329.75, 15,550.83 and 9,411.21

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Solution

The fourth proportional to 10,329.75, 15,550.83 and 9,411.21 is: 14,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.75 : 15,550.83 = 9,411.21 : x
  2. Step 2: Convert to fraction form
    10,329.75/15,550.83 = 9,411.21/x
  3. Step 3: Cross multiply
    10,329.75x = 15,550.83 × 9,411.21
  4. Step 4: Simplify right side
    10,329.75x = 146,352,126.80
  5. Step 5: Solve for x
    x = 146,352,126.80/10,329.75
  6. Step 6: Final answer
    x = 14,168.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.