Home / 12,505.02-18,757.02-3,145.10

Finding the Fourth Proportional to 12,505.02, 18,757.02 and 3,145.10

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Solution

The fourth proportional to 12,505.02, 18,757.02 and 3,145.10 is: 4,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.02 : 18,757.02 = 3,145.10 : x
  2. Step 2: Convert to fraction form
    12,505.02/18,757.02 = 3,145.10/x
  3. Step 3: Cross multiply
    12,505.02x = 18,757.02 × 3,145.10
  4. Step 4: Simplify right side
    12,505.02x = 58,992,703.60
  5. Step 5: Solve for x
    x = 58,992,703.60/12,505.02
  6. Step 6: Final answer
    x = 4,717.52

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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.