Home / 20,089.34-30,136.62-7,437.38

Finding the Fourth Proportional to 20,089.34, 30,136.62 and 7,437.38

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Solution

The fourth proportional to 20,089.34, 30,136.62 and 7,437.38 is: 11,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.34 : 30,136.62 = 7,437.38 : x
  2. Step 2: Convert to fraction form
    20,089.34/30,136.62 = 7,437.38/x
  3. Step 3: Cross multiply
    20,089.34x = 30,136.62 × 7,437.38
  4. Step 4: Simplify right side
    20,089.34x = 224,137,494.86
  5. Step 5: Solve for x
    x = 224,137,494.86/20,089.34
  6. Step 6: Final answer
    x = 11,157.04

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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.