Home / 20,239.65-30,361.50-6,199.52

Finding the Fourth Proportional to 20,239.65, 30,361.50 and 6,199.52

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Solution

The fourth proportional to 20,239.65, 30,361.50 and 6,199.52 is: 9,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.65 : 30,361.50 = 6,199.52 : x
  2. Step 2: Convert to fraction form
    20,239.65/30,361.50 = 6,199.52/x
  3. Step 3: Cross multiply
    20,239.65x = 30,361.50 × 6,199.52
  4. Step 4: Simplify right side
    20,239.65x = 188,226,574.67
  5. Step 5: Solve for x
    x = 188,226,574.67/20,239.65
  6. Step 6: Final answer
    x = 9,299.89

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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.