Home / 12,724.83-19,087.35-5,226.46

Finding the Fourth Proportional to 12,724.83, 19,087.35 and 5,226.46

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Solution

The fourth proportional to 12,724.83, 19,087.35 and 5,226.46 is: 7,839.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.83 : 19,087.35 = 5,226.46 : x
  2. Step 2: Convert to fraction form
    12,724.83/19,087.35 = 5,226.46/x
  3. Step 3: Cross multiply
    12,724.83x = 19,087.35 × 5,226.46
  4. Step 4: Simplify right side
    12,724.83x = 99,759,149.71
  5. Step 5: Solve for x
    x = 99,759,149.71/12,724.83
  6. Step 6: Final answer
    x = 7,839.72

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Similar ratio
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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.