Home / 12,476.74-18,712.41-4,154.80

Finding the Fourth Proportional to 12,476.74, 18,712.41 and 4,154.80

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Solution

The fourth proportional to 12,476.74, 18,712.41 and 4,154.80 is: 6,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.74 : 18,712.41 = 4,154.80 : x
  2. Step 2: Convert to fraction form
    12,476.74/18,712.41 = 4,154.80/x
  3. Step 3: Cross multiply
    12,476.74x = 18,712.41 × 4,154.80
  4. Step 4: Simplify right side
    12,476.74x = 77,746,321.07
  5. Step 5: Solve for x
    x = 77,746,321.07/12,476.74
  6. Step 6: Final answer
    x = 6,231.30

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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.