Home / 10,090.04-15,135.26-5,645.19

Finding the Fourth Proportional to 10,090.04, 15,135.26 and 5,645.19

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Solution

The fourth proportional to 10,090.04, 15,135.26 and 5,645.19 is: 8,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.04 : 15,135.26 = 5,645.19 : x
  2. Step 2: Convert to fraction form
    10,090.04/15,135.26 = 5,645.19/x
  3. Step 3: Cross multiply
    10,090.04x = 15,135.26 × 5,645.19
  4. Step 4: Simplify right side
    10,090.04x = 85,441,446.93
  5. Step 5: Solve for x
    x = 85,441,446.93/10,090.04
  6. Step 6: Final answer
    x = 8,467.90

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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.