Home / 18,434.85-27,656.40-10,110.60

Finding the Fourth Proportional to 18,434.85, 27,656.40 and 10,110.60

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Solution

The fourth proportional to 18,434.85, 27,656.40 and 10,110.60 is: 15,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.85 : 27,656.40 = 10,110.60 : x
  2. Step 2: Convert to fraction form
    18,434.85/27,656.40 = 10,110.60/x
  3. Step 3: Cross multiply
    18,434.85x = 27,656.40 × 10,110.60
  4. Step 4: Simplify right side
    18,434.85x = 279,622,797.84
  5. Step 5: Solve for x
    x = 279,622,797.84/18,434.85
  6. Step 6: Final answer
    x = 15,168.16

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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.