Home / 13,763.36-18,992.40-7,793.66

Finding the Fourth Proportional to 13,763.36, 18,992.40 and 7,793.66

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Solution

The fourth proportional to 13,763.36, 18,992.40 and 7,793.66 is: 10,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.36 : 18,992.40 = 7,793.66 : x
  2. Step 2: Convert to fraction form
    13,763.36/18,992.40 = 7,793.66/x
  3. Step 3: Cross multiply
    13,763.36x = 18,992.40 × 7,793.66
  4. Step 4: Simplify right side
    13,763.36x = 148,020,308.18
  5. Step 5: Solve for x
    x = 148,020,308.18/13,763.36
  6. Step 6: Final answer
    x = 10,754.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.