Home / 12,723.89-19,066.36-6,801.61

Finding the Fourth Proportional to 12,723.89, 19,066.36 and 6,801.61

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Solution

The fourth proportional to 12,723.89, 19,066.36 and 6,801.61 is: 10,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.89 : 19,066.36 = 6,801.61 : x
  2. Step 2: Convert to fraction form
    12,723.89/19,066.36 = 6,801.61/x
  3. Step 3: Cross multiply
    12,723.89x = 19,066.36 × 6,801.61
  4. Step 4: Simplify right side
    12,723.89x = 129,681,944.84
  5. Step 5: Solve for x
    x = 129,681,944.84/12,723.89
  6. Step 6: Final answer
    x = 10,192.01

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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.