Home / 12,859.44-19,278.23-12,247.08

Finding the Fourth Proportional to 12,859.44, 19,278.23 and 12,247.08

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Solution

The fourth proportional to 12,859.44, 19,278.23 and 12,247.08 is: 18,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.44 : 19,278.23 = 12,247.08 : x
  2. Step 2: Convert to fraction form
    12,859.44/19,278.23 = 12,247.08/x
  3. Step 3: Cross multiply
    12,859.44x = 19,278.23 × 12,247.08
  4. Step 4: Simplify right side
    12,859.44x = 236,101,963.83
  5. Step 5: Solve for x
    x = 236,101,963.83/12,859.44
  6. Step 6: Final answer
    x = 18,360.21

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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.