Home / 20,401.32-30,601.95-6,362.46

Finding the Fourth Proportional to 20,401.32, 30,601.95 and 6,362.46

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Solution

The fourth proportional to 20,401.32, 30,601.95 and 6,362.46 is: 9,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401.32 : 30,601.95 = 6,362.46 : x
  2. Step 2: Convert to fraction form
    20,401.32/30,601.95 = 6,362.46/x
  3. Step 3: Cross multiply
    20,401.32x = 30,601.95 × 6,362.46
  4. Step 4: Simplify right side
    20,401.32x = 194,703,682.80
  5. Step 5: Solve for x
    x = 194,703,682.80/20,401.32
  6. Step 6: Final answer
    x = 9,543.68

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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.