Home / 19,569.96-29,351.52-6,420.60

Finding the Fourth Proportional to 19,569.96, 29,351.52 and 6,420.60

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Solution

The fourth proportional to 19,569.96, 29,351.52 and 6,420.60 is: 9,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.96 : 29,351.52 = 6,420.60 : x
  2. Step 2: Convert to fraction form
    19,569.96/29,351.52 = 6,420.60/x
  3. Step 3: Cross multiply
    19,569.96x = 29,351.52 × 6,420.60
  4. Step 4: Simplify right side
    19,569.96x = 188,454,369.31
  5. Step 5: Solve for x
    x = 188,454,369.31/19,569.96
  6. Step 6: Final answer
    x = 9,629.78

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1.5x scale

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.