Home / 12,503.02-18,754.02-3,143.10

Finding the Fourth Proportional to 12,503.02, 18,754.02 and 3,143.10

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Solution

The fourth proportional to 12,503.02, 18,754.02 and 3,143.10 is: 4,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.02 : 18,754.02 = 3,143.10 : x
  2. Step 2: Convert to fraction form
    12,503.02/18,754.02 = 3,143.10/x
  3. Step 3: Cross multiply
    12,503.02x = 18,754.02 × 3,143.10
  4. Step 4: Simplify right side
    12,503.02x = 58,945,760.26
  5. Step 5: Solve for x
    x = 58,945,760.26/12,503.02
  6. Step 6: Final answer
    x = 4,714.52

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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.