Home / 20,377.34-30,555.93-7,227.74

Finding the Fourth Proportional to 20,377.34, 30,555.93 and 7,227.74

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Solution

The fourth proportional to 20,377.34, 30,555.93 and 7,227.74 is: 10,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.34 : 30,555.93 = 7,227.74 : x
  2. Step 2: Convert to fraction form
    20,377.34/30,555.93 = 7,227.74/x
  3. Step 3: Cross multiply
    20,377.34x = 30,555.93 × 7,227.74
  4. Step 4: Simplify right side
    20,377.34x = 220,850,317.50
  5. Step 5: Solve for x
    x = 220,850,317.50/20,377.34
  6. Step 6: Final answer
    x = 10,838.03

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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.