Home / 18,152.64-27,229.08-5,005.72

Finding the Fourth Proportional to 18,152.64, 27,229.08 and 5,005.72

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Solution

The fourth proportional to 18,152.64, 27,229.08 and 5,005.72 is: 7,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.64 : 27,229.08 = 5,005.72 : x
  2. Step 2: Convert to fraction form
    18,152.64/27,229.08 = 5,005.72/x
  3. Step 3: Cross multiply
    18,152.64x = 27,229.08 × 5,005.72
  4. Step 4: Simplify right side
    18,152.64x = 136,301,150.34
  5. Step 5: Solve for x
    x = 136,301,150.34/18,152.64
  6. Step 6: Final answer
    x = 7,508.61

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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.