Home / 20,148.74-30,223.10-6,297.74

Finding the Fourth Proportional to 20,148.74, 30,223.10 and 6,297.74

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Solution

The fourth proportional to 20,148.74, 30,223.10 and 6,297.74 is: 9,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148.74 : 30,223.10 = 6,297.74 : x
  2. Step 2: Convert to fraction form
    20,148.74/30,223.10 = 6,297.74/x
  3. Step 3: Cross multiply
    20,148.74x = 30,223.10 × 6,297.74
  4. Step 4: Simplify right side
    20,148.74x = 190,337,043.19
  5. Step 5: Solve for x
    x = 190,337,043.19/20,148.74
  6. Step 6: Final answer
    x = 9,446.60

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Similar ratio
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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.