Home / 12,203.36-18,261.30-10,565.56

Finding the Fourth Proportional to 12,203.36, 18,261.30 and 10,565.56

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Solution

The fourth proportional to 12,203.36, 18,261.30 and 10,565.56 is: 15,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.36 : 18,261.30 = 10,565.56 : x
  2. Step 2: Convert to fraction form
    12,203.36/18,261.30 = 10,565.56/x
  3. Step 3: Cross multiply
    12,203.36x = 18,261.30 × 10,565.56
  4. Step 4: Simplify right side
    12,203.36x = 192,940,860.83
  5. Step 5: Solve for x
    x = 192,940,860.83/12,203.36
  6. Step 6: Final answer
    x = 15,810.47

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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.