Home / 13,094.09-18,090.99-9,132.89

Finding the Fourth Proportional to 13,094.09, 18,090.99 and 9,132.89

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Solution

The fourth proportional to 13,094.09, 18,090.99 and 9,132.89 is: 12,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.09 : 18,090.99 = 9,132.89 : x
  2. Step 2: Convert to fraction form
    13,094.09/18,090.99 = 9,132.89/x
  3. Step 3: Cross multiply
    13,094.09x = 18,090.99 × 9,132.89
  4. Step 4: Simplify right side
    13,094.09x = 165,223,021.66
  5. Step 5: Solve for x
    x = 165,223,021.66/13,094.09
  6. Step 6: Final answer
    x = 12,618.14

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1.5x scale

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.