Home / 18,253.45-27,368.40-7,161.26

Finding the Fourth Proportional to 18,253.45, 27,368.40 and 7,161.26

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Solution

The fourth proportional to 18,253.45, 27,368.40 and 7,161.26 is: 10,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.45 : 27,368.40 = 7,161.26 : x
  2. Step 2: Convert to fraction form
    18,253.45/27,368.40 = 7,161.26/x
  3. Step 3: Cross multiply
    18,253.45x = 27,368.40 × 7,161.26
  4. Step 4: Simplify right side
    18,253.45x = 195,992,177.67
  5. Step 5: Solve for x
    x = 195,992,177.67/18,253.45
  6. Step 6: Final answer
    x = 10,737.27

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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.