Home / 9,316.92-12,857.32-5,338.04

Finding the Fourth Proportional to 9,316.92, 12,857.32 and 5,338.04

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Solution

The fourth proportional to 9,316.92, 12,857.32 and 5,338.04 is: 7,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.92 : 12,857.32 = 5,338.04 : x
  2. Step 2: Convert to fraction form
    9,316.92/12,857.32 = 5,338.04/x
  3. Step 3: Cross multiply
    9,316.92x = 12,857.32 × 5,338.04
  4. Step 4: Simplify right side
    9,316.92x = 68,632,888.45
  5. Step 5: Solve for x
    x = 68,632,888.45/9,316.92
  6. Step 6: Final answer
    x = 7,366.48

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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.