Home / 18,293.51-27,434.85-7,763.39

Finding the Fourth Proportional to 18,293.51, 27,434.85 and 7,763.39

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Solution

The fourth proportional to 18,293.51, 27,434.85 and 7,763.39 is: 11,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.51 : 27,434.85 = 7,763.39 : x
  2. Step 2: Convert to fraction form
    18,293.51/27,434.85 = 7,763.39/x
  3. Step 3: Cross multiply
    18,293.51x = 27,434.85 × 7,763.39
  4. Step 4: Simplify right side
    18,293.51x = 212,987,401.32
  5. Step 5: Solve for x
    x = 212,987,401.32/18,293.51
  6. Step 6: Final answer
    x = 11,642.78

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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.