Home / 10,090.91-15,136.20-4,540.32

Finding the Fourth Proportional to 10,090.91, 15,136.20 and 4,540.32

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Solution

The fourth proportional to 10,090.91, 15,136.20 and 4,540.32 is: 6,810.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.91 : 15,136.20 = 4,540.32 : x
  2. Step 2: Convert to fraction form
    10,090.91/15,136.20 = 4,540.32/x
  3. Step 3: Cross multiply
    10,090.91x = 15,136.20 × 4,540.32
  4. Step 4: Simplify right side
    10,090.91x = 68,723,191.58
  5. Step 5: Solve for x
    x = 68,723,191.58/10,090.91
  6. Step 6: Final answer
    x = 6,810.41

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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.