Home / 19,574.11-29,332-10,811.53

Finding the Fourth Proportional to 19,574.11, 29,332 and 10,811.53

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Solution

The fourth proportional to 19,574.11, 29,332 and 10,811.53 is: 16,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.11 : 29,332 = 10,811.53 : x
  2. Step 2: Convert to fraction form
    19,574.11/29,332 = 10,811.53/x
  3. Step 3: Cross multiply
    19,574.11x = 29,332 × 10,811.53
  4. Step 4: Simplify right side
    19,574.11x = 317,123,797.96
  5. Step 5: Solve for x
    x = 317,123,797.96/19,574.11
  6. Step 6: Final answer
    x = 16,201.19

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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.