Home / 10,090.50-15,136.29-3,165.54

Finding the Fourth Proportional to 10,090.50, 15,136.29 and 3,165.54

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Solution

The fourth proportional to 10,090.50, 15,136.29 and 3,165.54 is: 4,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.50 : 15,136.29 = 3,165.54 : x
  2. Step 2: Convert to fraction form
    10,090.50/15,136.29 = 3,165.54/x
  3. Step 3: Cross multiply
    10,090.50x = 15,136.29 × 3,165.54
  4. Step 4: Simplify right side
    10,090.50x = 47,914,531.45
  5. Step 5: Solve for x
    x = 47,914,531.45/10,090.50
  6. Step 6: Final answer
    x = 4,748.48

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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.