Home / 19,608.28-29,412.42-5,757.40

Finding the Fourth Proportional to 19,608.28, 29,412.42 and 5,757.40

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Solution

The fourth proportional to 19,608.28, 29,412.42 and 5,757.40 is: 8,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.28 : 29,412.42 = 5,757.40 : x
  2. Step 2: Convert to fraction form
    19,608.28/29,412.42 = 5,757.40/x
  3. Step 3: Cross multiply
    19,608.28x = 29,412.42 × 5,757.40
  4. Step 4: Simplify right side
    19,608.28x = 169,339,066.91
  5. Step 5: Solve for x
    x = 169,339,066.91/19,608.28
  6. Step 6: Final answer
    x = 8,636.10

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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.