Home / 19,810.90-29,716.13-4,818.11

Finding the Fourth Proportional to 19,810.90, 29,716.13 and 4,818.11

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Solution

The fourth proportional to 19,810.90, 29,716.13 and 4,818.11 is: 7,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.90 : 29,716.13 = 4,818.11 : x
  2. Step 2: Convert to fraction form
    19,810.90/29,716.13 = 4,818.11/x
  3. Step 3: Cross multiply
    19,810.90x = 29,716.13 × 4,818.11
  4. Step 4: Simplify right side
    19,810.90x = 143,175,583.11
  5. Step 5: Solve for x
    x = 143,175,583.11/19,810.90
  6. Step 6: Final answer
    x = 7,227.11

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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.