Home / 20,397.36-30,595.92-5,608.32

Finding the Fourth Proportional to 20,397.36, 30,595.92 and 5,608.32

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Solution

The fourth proportional to 20,397.36, 30,595.92 and 5,608.32 is: 8,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.36 : 30,595.92 = 5,608.32 : x
  2. Step 2: Convert to fraction form
    20,397.36/30,595.92 = 5,608.32/x
  3. Step 3: Cross multiply
    20,397.36x = 30,595.92 × 5,608.32
  4. Step 4: Simplify right side
    20,397.36x = 171,591,710.05
  5. Step 5: Solve for x
    x = 171,591,710.05/20,397.36
  6. Step 6: Final answer
    x = 8,412.45

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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.