Home / 19,998.68-27,598.47-11,615.18

Finding the Fourth Proportional to 19,998.68, 27,598.47 and 11,615.18

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Solution

The fourth proportional to 19,998.68, 27,598.47 and 11,615.18 is: 16,029.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.68 : 27,598.47 = 11,615.18 : x
  2. Step 2: Convert to fraction form
    19,998.68/27,598.47 = 11,615.18/x
  3. Step 3: Cross multiply
    19,998.68x = 27,598.47 × 11,615.18
  4. Step 4: Simplify right side
    19,998.68x = 320,561,196.77
  5. Step 5: Solve for x
    x = 320,561,196.77/19,998.68
  6. Step 6: Final answer
    x = 16,029.12

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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.