Home / 18,433.40-27,645.53-7,902.23

Finding the Fourth Proportional to 18,433.40, 27,645.53 and 7,902.23

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Solution

The fourth proportional to 18,433.40, 27,645.53 and 7,902.23 is: 11,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.40 : 27,645.53 = 7,902.23 : x
  2. Step 2: Convert to fraction form
    18,433.40/27,645.53 = 7,902.23/x
  3. Step 3: Cross multiply
    18,433.40x = 27,645.53 × 7,902.23
  4. Step 4: Simplify right side
    18,433.40x = 218,461,425.40
  5. Step 5: Solve for x
    x = 218,461,425.40/18,433.40
  6. Step 6: Final answer
    x = 11,851.39

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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.