Home / 19,944.95-29,920.16-8,851.39

Finding the Fourth Proportional to 19,944.95, 29,920.16 and 8,851.39

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Solution

The fourth proportional to 19,944.95, 29,920.16 and 8,851.39 is: 13,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.95 : 29,920.16 = 8,851.39 : x
  2. Step 2: Convert to fraction form
    19,944.95/29,920.16 = 8,851.39/x
  3. Step 3: Cross multiply
    19,944.95x = 29,920.16 × 8,851.39
  4. Step 4: Simplify right side
    19,944.95x = 264,834,952.35
  5. Step 5: Solve for x
    x = 264,834,952.35/19,944.95
  6. Step 6: Final answer
    x = 13,278.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.