Home / 20,377.05-30,574.37-11,023.66

Finding the Fourth Proportional to 20,377.05, 30,574.37 and 11,023.66

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Solution

The fourth proportional to 20,377.05, 30,574.37 and 11,023.66 is: 16,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.05 : 30,574.37 = 11,023.66 : x
  2. Step 2: Convert to fraction form
    20,377.05/30,574.37 = 11,023.66/x
  3. Step 3: Cross multiply
    20,377.05x = 30,574.37 × 11,023.66
  4. Step 4: Simplify right side
    20,377.05x = 337,041,411.89
  5. Step 5: Solve for x
    x = 337,041,411.89/20,377.05
  6. Step 6: Final answer
    x = 16,540.25

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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.