Home / 19,621.11-29,431.67-5,770.11

Finding the Fourth Proportional to 19,621.11, 29,431.67 and 5,770.11

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Solution

The fourth proportional to 19,621.11, 29,431.67 and 5,770.11 is: 8,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.11 : 29,431.67 = 5,770.11 : x
  2. Step 2: Convert to fraction form
    19,621.11/29,431.67 = 5,770.11/x
  3. Step 3: Cross multiply
    19,621.11x = 29,431.67 × 5,770.11
  4. Step 4: Simplify right side
    19,621.11x = 169,823,973.38
  5. Step 5: Solve for x
    x = 169,823,973.38/19,621.11
  6. Step 6: Final answer
    x = 8,655.17

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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.