Home / 19,860.74-27,407.70-11,902.97

Finding the Fourth Proportional to 19,860.74, 27,407.70 and 11,902.97

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Solution

The fourth proportional to 19,860.74, 27,407.70 and 11,902.97 is: 16,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.74 : 27,407.70 = 11,902.97 : x
  2. Step 2: Convert to fraction form
    19,860.74/27,407.70 = 11,902.97/x
  3. Step 3: Cross multiply
    19,860.74x = 27,407.70 × 11,902.97
  4. Step 4: Simplify right side
    19,860.74x = 326,232,945.22
  5. Step 5: Solve for x
    x = 326,232,945.22/19,860.74
  6. Step 6: Final answer
    x = 16,426.02

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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.