Home / 12,860.09-19,294.05-6,110.79

Finding the Fourth Proportional to 12,860.09, 19,294.05 and 6,110.79

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Solution

The fourth proportional to 12,860.09, 19,294.05 and 6,110.79 is: 9,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.09 : 19,294.05 = 6,110.79 : x
  2. Step 2: Convert to fraction form
    12,860.09/19,294.05 = 6,110.79/x
  3. Step 3: Cross multiply
    12,860.09x = 19,294.05 × 6,110.79
  4. Step 4: Simplify right side
    12,860.09x = 117,901,912.52
  5. Step 5: Solve for x
    x = 117,901,912.52/12,860.09
  6. Step 6: Final answer
    x = 9,168.05

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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.