Home / 12,474.28-18,714.40-4,154.36

Finding the Fourth Proportional to 12,474.28, 18,714.40 and 4,154.36

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Solution

The fourth proportional to 12,474.28, 18,714.40 and 4,154.36 is: 6,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.28 : 18,714.40 = 4,154.36 : x
  2. Step 2: Convert to fraction form
    12,474.28/18,714.40 = 4,154.36/x
  3. Step 3: Cross multiply
    12,474.28x = 18,714.40 × 4,154.36
  4. Step 4: Simplify right side
    12,474.28x = 77,746,391.18
  5. Step 5: Solve for x
    x = 77,746,391.18/12,474.28
  6. Step 6: Final answer
    x = 6,232.54

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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.