Home / 20,397.29-30,596.22-12,550.05

Finding the Fourth Proportional to 20,397.29, 30,596.22 and 12,550.05

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Solution

The fourth proportional to 20,397.29, 30,596.22 and 12,550.05 is: 18,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.29 : 30,596.22 = 12,550.05 : x
  2. Step 2: Convert to fraction form
    20,397.29/30,596.22 = 12,550.05/x
  3. Step 3: Cross multiply
    20,397.29x = 30,596.22 × 12,550.05
  4. Step 4: Simplify right side
    20,397.29x = 383,984,090.81
  5. Step 5: Solve for x
    x = 383,984,090.81/20,397.29
  6. Step 6: Final answer
    x = 18,825.25

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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.