Home / 21,264.66-31,895.91-6,473.25

Finding the Fourth Proportional to 21,264.66, 31,895.91 and 6,473.25

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Solution

The fourth proportional to 21,264.66, 31,895.91 and 6,473.25 is: 9,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.66 : 31,895.91 = 6,473.25 : x
  2. Step 2: Convert to fraction form
    21,264.66/31,895.91 = 6,473.25/x
  3. Step 3: Cross multiply
    21,264.66x = 31,895.91 × 6,473.25
  4. Step 4: Simplify right side
    21,264.66x = 206,470,199.41
  5. Step 5: Solve for x
    x = 206,470,199.41/21,264.66
  6. Step 6: Final answer
    x = 9,709.55

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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.