Home / 19,569.28-29,344.16-6,420.16

Finding the Fourth Proportional to 19,569.28, 29,344.16 and 6,420.16

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Solution

The fourth proportional to 19,569.28, 29,344.16 and 6,420.16 is: 9,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.28 : 29,344.16 = 6,420.16 : x
  2. Step 2: Convert to fraction form
    19,569.28/29,344.16 = 6,420.16/x
  3. Step 3: Cross multiply
    19,569.28x = 29,344.16 × 6,420.16
  4. Step 4: Simplify right side
    19,569.28x = 188,394,202.27
  5. Step 5: Solve for x
    x = 188,394,202.27/19,569.28
  6. Step 6: Final answer
    x = 9,627.04

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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.