Home / 18,108.09-27,166.10-5,629.05

Finding the Fourth Proportional to 18,108.09, 27,166.10 and 5,629.05

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Solution

The fourth proportional to 18,108.09, 27,166.10 and 5,629.05 is: 8,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.09 : 27,166.10 = 5,629.05 : x
  2. Step 2: Convert to fraction form
    18,108.09/27,166.10 = 5,629.05/x
  3. Step 3: Cross multiply
    18,108.09x = 27,166.10 × 5,629.05
  4. Step 4: Simplify right side
    18,108.09x = 152,919,307.06
  5. Step 5: Solve for x
    x = 152,919,307.06/18,108.09
  6. Step 6: Final answer
    x = 8,444.81

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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.