Home / 13,090.08-18,062.28-7,500

Finding the Fourth Proportional to 13,090.08, 18,062.28 and 7,500

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Solution

The fourth proportional to 13,090.08, 18,062.28 and 7,500 is: 10,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.08 : 18,062.28 = 7,500 : x
  2. Step 2: Convert to fraction form
    13,090.08/18,062.28 = 7,500/x
  3. Step 3: Cross multiply
    13,090.08x = 18,062.28 × 7,500
  4. Step 4: Simplify right side
    13,090.08x = 135,467,100
  5. Step 5: Solve for x
    x = 135,467,100/13,090.08
  6. Step 6: Final answer
    x = 10,348.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.