Home / 19,799.88-27,323-11,837.40

Finding the Fourth Proportional to 19,799.88, 27,323 and 11,837.40

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Solution

The fourth proportional to 19,799.88, 27,323 and 11,837.40 is: 16,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.88 : 27,323 = 11,837.40 : x
  2. Step 2: Convert to fraction form
    19,799.88/27,323 = 11,837.40/x
  3. Step 3: Cross multiply
    19,799.88x = 27,323 × 11,837.40
  4. Step 4: Simplify right side
    19,799.88x = 323,433,280.20
  5. Step 5: Solve for x
    x = 323,433,280.20/19,799.88
  6. Step 6: Final answer
    x = 16,335.11

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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.