Home / 21,264.19-31,884.13-6,468.73

Finding the Fourth Proportional to 21,264.19, 31,884.13 and 6,468.73

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Solution

The fourth proportional to 21,264.19, 31,884.13 and 6,468.73 is: 9,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.19 : 31,884.13 = 6,468.73 : x
  2. Step 2: Convert to fraction form
    21,264.19/31,884.13 = 6,468.73/x
  3. Step 3: Cross multiply
    21,264.19x = 31,884.13 × 6,468.73
  4. Step 4: Simplify right side
    21,264.19x = 206,249,828.25
  5. Step 5: Solve for x
    x = 206,249,828.25/21,264.19
  6. Step 6: Final answer
    x = 9,699.40

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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.