Home / 20,364.62-30,540.44-6,510.38

Finding the Fourth Proportional to 20,364.62, 30,540.44 and 6,510.38

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Solution

The fourth proportional to 20,364.62, 30,540.44 and 6,510.38 is: 9,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.62 : 30,540.44 = 6,510.38 : x
  2. Step 2: Convert to fraction form
    20,364.62/30,540.44 = 6,510.38/x
  3. Step 3: Cross multiply
    20,364.62x = 30,540.44 × 6,510.38
  4. Step 4: Simplify right side
    20,364.62x = 198,829,733.34
  5. Step 5: Solve for x
    x = 198,829,733.34/20,364.62
  6. Step 6: Final answer
    x = 9,763.49

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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.