Home / 12,923.88-17,837.88-8,896.08

Finding the Fourth Proportional to 12,923.88, 17,837.88 and 8,896.08

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Solution

The fourth proportional to 12,923.88, 17,837.88 and 8,896.08 is: 12,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.88 : 17,837.88 = 8,896.08 : x
  2. Step 2: Convert to fraction form
    12,923.88/17,837.88 = 8,896.08/x
  3. Step 3: Cross multiply
    12,923.88x = 17,837.88 × 8,896.08
  4. Step 4: Simplify right side
    12,923.88x = 158,687,207.51
  5. Step 5: Solve for x
    x = 158,687,207.51/12,923.88
  6. Step 6: Final answer
    x = 12,278.60

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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.