Home / 19,569.99-29,348.85-6,419.31

Finding the Fourth Proportional to 19,569.99, 29,348.85 and 6,419.31

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Solution

The fourth proportional to 19,569.99, 29,348.85 and 6,419.31 is: 9,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.99 : 29,348.85 = 6,419.31 : x
  2. Step 2: Convert to fraction form
    19,569.99/29,348.85 = 6,419.31/x
  3. Step 3: Cross multiply
    19,569.99x = 29,348.85 × 6,419.31
  4. Step 4: Simplify right side
    19,569.99x = 188,399,366.29
  5. Step 5: Solve for x
    x = 188,399,366.29/19,569.99
  6. Step 6: Final answer
    x = 9,626.95

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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.