Home / 18,099.45-27,090.86-9,322.29

Finding the Fourth Proportional to 18,099.45, 27,090.86 and 9,322.29

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Solution

The fourth proportional to 18,099.45, 27,090.86 and 9,322.29 is: 13,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.45 : 27,090.86 = 9,322.29 : x
  2. Step 2: Convert to fraction form
    18,099.45/27,090.86 = 9,322.29/x
  3. Step 3: Cross multiply
    18,099.45x = 27,090.86 × 9,322.29
  4. Step 4: Simplify right side
    18,099.45x = 252,548,806.66
  5. Step 5: Solve for x
    x = 252,548,806.66/18,099.45
  6. Step 6: Final answer
    x = 13,953.40

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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.