Home / 20,794.19-28,695.95-11,362.75

Finding the Fourth Proportional to 20,794.19, 28,695.95 and 11,362.75

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Solution

The fourth proportional to 20,794.19, 28,695.95 and 11,362.75 is: 15,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.19 : 28,695.95 = 11,362.75 : x
  2. Step 2: Convert to fraction form
    20,794.19/28,695.95 = 11,362.75/x
  3. Step 3: Cross multiply
    20,794.19x = 28,695.95 × 11,362.75
  4. Step 4: Simplify right side
    20,794.19x = 326,064,819.92
  5. Step 5: Solve for x
    x = 326,064,819.92/20,794.19
  6. Step 6: Final answer
    x = 15,680.58

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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.