Home / 20,136.66-30,197.29-6,624.67

Finding the Fourth Proportional to 20,136.66, 30,197.29 and 6,624.67

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Solution

The fourth proportional to 20,136.66, 30,197.29 and 6,624.67 is: 9,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136.66 : 30,197.29 = 6,624.67 : x
  2. Step 2: Convert to fraction form
    20,136.66/30,197.29 = 6,624.67/x
  3. Step 3: Cross multiply
    20,136.66x = 30,197.29 × 6,624.67
  4. Step 4: Simplify right side
    20,136.66x = 200,047,081.14
  5. Step 5: Solve for x
    x = 200,047,081.14/20,136.66
  6. Step 6: Final answer
    x = 9,934.47

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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.