Home / 12,623.84-18,935.76-5,226.31

Finding the Fourth Proportional to 12,623.84, 18,935.76 and 5,226.31

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Solution

The fourth proportional to 12,623.84, 18,935.76 and 5,226.31 is: 7,839.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.84 : 18,935.76 = 5,226.31 : x
  2. Step 2: Convert to fraction form
    12,623.84/18,935.76 = 5,226.31/x
  3. Step 3: Cross multiply
    12,623.84x = 18,935.76 × 5,226.31
  4. Step 4: Simplify right side
    12,623.84x = 98,964,151.85
  5. Step 5: Solve for x
    x = 98,964,151.85/12,623.84
  6. Step 6: Final answer
    x = 7,839.47

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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.