Home / 20,396.42-30,588.51-7,247.06

Finding the Fourth Proportional to 20,396.42, 30,588.51 and 7,247.06

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Solution

The fourth proportional to 20,396.42, 30,588.51 and 7,247.06 is: 10,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396.42 : 30,588.51 = 7,247.06 : x
  2. Step 2: Convert to fraction form
    20,396.42/30,588.51 = 7,247.06/x
  3. Step 3: Cross multiply
    20,396.42x = 30,588.51 × 7,247.06
  4. Step 4: Simplify right side
    20,396.42x = 221,676,767.28
  5. Step 5: Solve for x
    x = 221,676,767.28/20,396.42
  6. Step 6: Final answer
    x = 10,868.42

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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.