Home / 13,927.32-19,218.69-8,261.82

Finding the Fourth Proportional to 13,927.32, 19,218.69 and 8,261.82

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Solution

The fourth proportional to 13,927.32, 19,218.69 and 8,261.82 is: 11,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.32 : 19,218.69 = 8,261.82 : x
  2. Step 2: Convert to fraction form
    13,927.32/19,218.69 = 8,261.82/x
  3. Step 3: Cross multiply
    13,927.32x = 19,218.69 × 8,261.82
  4. Step 4: Simplify right side
    13,927.32x = 158,781,357.42
  5. Step 5: Solve for x
    x = 158,781,357.42/13,927.32
  6. Step 6: Final answer
    x = 11,400.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.