Home / 12,724.23-19,086.35-3,957.40

Finding the Fourth Proportional to 12,724.23, 19,086.35 and 3,957.40

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Solution

The fourth proportional to 12,724.23, 19,086.35 and 3,957.40 is: 5,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.23 : 19,086.35 = 3,957.40 : x
  2. Step 2: Convert to fraction form
    12,724.23/19,086.35 = 3,957.40/x
  3. Step 3: Cross multiply
    12,724.23x = 19,086.35 × 3,957.40
  4. Step 4: Simplify right side
    12,724.23x = 75,532,253.99
  5. Step 5: Solve for x
    x = 75,532,253.99/12,724.23
  6. Step 6: Final answer
    x = 5,936.10

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Double scale
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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.