Home / 12,013.02-18,020.22-3,248.64

Finding the Fourth Proportional to 12,013.02, 18,020.22 and 3,248.64

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Solution

The fourth proportional to 12,013.02, 18,020.22 and 3,248.64 is: 4,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.02 : 18,020.22 = 3,248.64 : x
  2. Step 2: Convert to fraction form
    12,013.02/18,020.22 = 3,248.64/x
  3. Step 3: Cross multiply
    12,013.02x = 18,020.22 × 3,248.64
  4. Step 4: Simplify right side
    12,013.02x = 58,541,207.50
  5. Step 5: Solve for x
    x = 58,541,207.50/12,013.02
  6. Step 6: Final answer
    x = 4,873.15

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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.