Home / 10,160.64-15,240.96-2,864.64

Finding the Fourth Proportional to 10,160.64, 15,240.96 and 2,864.64

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Solution

The fourth proportional to 10,160.64, 15,240.96 and 2,864.64 is: 4,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.64 : 15,240.96 = 2,864.64 : x
  2. Step 2: Convert to fraction form
    10,160.64/15,240.96 = 2,864.64/x
  3. Step 3: Cross multiply
    10,160.64x = 15,240.96 × 2,864.64
  4. Step 4: Simplify right side
    10,160.64x = 43,659,863.65
  5. Step 5: Solve for x
    x = 43,659,863.65/10,160.64
  6. Step 6: Final answer
    x = 4,296.96

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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.