Home / 19,587.42-27,036.09-12,418.56

Finding the Fourth Proportional to 19,587.42, 27,036.09 and 12,418.56

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Solution

The fourth proportional to 19,587.42, 27,036.09 and 12,418.56 is: 17,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.42 : 27,036.09 = 12,418.56 : x
  2. Step 2: Convert to fraction form
    19,587.42/27,036.09 = 12,418.56/x
  3. Step 3: Cross multiply
    19,587.42x = 27,036.09 × 12,418.56
  4. Step 4: Simplify right side
    19,587.42x = 335,749,305.83
  5. Step 5: Solve for x
    x = 335,749,305.83/19,587.42
  6. Step 6: Final answer
    x = 17,141.07

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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.