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Finding the Fourth Proportional to 9,344.93, 12,895.42 and 5,363.24

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Solution

The fourth proportional to 9,344.93, 12,895.42 and 5,363.24 is: 7,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.93 : 12,895.42 = 5,363.24 : x
  2. Step 2: Convert to fraction form
    9,344.93/12,895.42 = 5,363.24/x
  3. Step 3: Cross multiply
    9,344.93x = 12,895.42 × 5,363.24
  4. Step 4: Simplify right side
    9,344.93x = 69,161,205.54
  5. Step 5: Solve for x
    x = 69,161,205.54/9,344.93
  6. Step 6: Final answer
    x = 7,400.93

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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.