Home / 20,860.17-31,297.24-6,820.84

Finding the Fourth Proportional to 20,860.17, 31,297.24 and 6,820.84

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Solution

The fourth proportional to 20,860.17, 31,297.24 and 6,820.84 is: 10,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860.17 : 31,297.24 = 6,820.84 : x
  2. Step 2: Convert to fraction form
    20,860.17/31,297.24 = 6,820.84/x
  3. Step 3: Cross multiply
    20,860.17x = 31,297.24 × 6,820.84
  4. Step 4: Simplify right side
    20,860.17x = 213,473,475.76
  5. Step 5: Solve for x
    x = 213,473,475.76/20,860.17
  6. Step 6: Final answer
    x = 10,233.55

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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.