Home / 19,569.99-29,348.84-6,419.28

Finding the Fourth Proportional to 19,569.99, 29,348.84 and 6,419.28

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Solution

The fourth proportional to 19,569.99, 29,348.84 and 6,419.28 is: 9,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.99 : 29,348.84 = 6,419.28 : x
  2. Step 2: Convert to fraction form
    19,569.99/29,348.84 = 6,419.28/x
  3. Step 3: Cross multiply
    19,569.99x = 29,348.84 × 6,419.28
  4. Step 4: Simplify right side
    19,569.99x = 188,398,437.68
  5. Step 5: Solve for x
    x = 188,398,437.68/19,569.99
  6. Step 6: Final answer
    x = 9,626.91

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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.