Home / 12,723.38-19,087.90-5,226.93

Finding the Fourth Proportional to 12,723.38, 19,087.90 and 5,226.93

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Solution

The fourth proportional to 12,723.38, 19,087.90 and 5,226.93 is: 7,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.38 : 19,087.90 = 5,226.93 : x
  2. Step 2: Convert to fraction form
    12,723.38/19,087.90 = 5,226.93/x
  3. Step 3: Cross multiply
    12,723.38x = 19,087.90 × 5,226.93
  4. Step 4: Simplify right side
    12,723.38x = 99,771,117.15
  5. Step 5: Solve for x
    x = 99,771,117.15/12,723.38
  6. Step 6: Final answer
    x = 7,841.56

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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.