Home / 20,355.44-30,537.54-6,315.18

Finding the Fourth Proportional to 20,355.44, 30,537.54 and 6,315.18

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Solution

The fourth proportional to 20,355.44, 30,537.54 and 6,315.18 is: 9,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355.44 : 30,537.54 = 6,315.18 : x
  2. Step 2: Convert to fraction form
    20,355.44/30,537.54 = 6,315.18/x
  3. Step 3: Cross multiply
    20,355.44x = 30,537.54 × 6,315.18
  4. Step 4: Simplify right side
    20,355.44x = 192,850,061.86
  5. Step 5: Solve for x
    x = 192,850,061.86/20,355.44
  6. Step 6: Final answer
    x = 9,474.13

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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.