Home / 20,377.44-30,565.44-5,586.12

Finding the Fourth Proportional to 20,377.44, 30,565.44 and 5,586.12

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Solution

The fourth proportional to 20,377.44, 30,565.44 and 5,586.12 is: 8,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.44 : 30,565.44 = 5,586.12 : x
  2. Step 2: Convert to fraction form
    20,377.44/30,565.44 = 5,586.12/x
  3. Step 3: Cross multiply
    20,377.44x = 30,565.44 × 5,586.12
  4. Step 4: Simplify right side
    20,377.44x = 170,742,215.69
  5. Step 5: Solve for x
    x = 170,742,215.69/20,377.44
  6. Step 6: Final answer
    x = 8,378.98

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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.