Home / 10,022.46-13,830.78-5,546.16

Finding the Fourth Proportional to 10,022.46, 13,830.78 and 5,546.16

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Solution

The fourth proportional to 10,022.46, 13,830.78 and 5,546.16 is: 7,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.46 : 13,830.78 = 5,546.16 : x
  2. Step 2: Convert to fraction form
    10,022.46/13,830.78 = 5,546.16/x
  3. Step 3: Cross multiply
    10,022.46x = 13,830.78 × 5,546.16
  4. Step 4: Simplify right side
    10,022.46x = 76,707,718.80
  5. Step 5: Solve for x
    x = 76,707,718.80/10,022.46
  6. Step 6: Final answer
    x = 7,653.58

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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.