Home / 20,794.24-28,696.56-11,363.20

Finding the Fourth Proportional to 20,794.24, 28,696.56 and 11,363.20

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Solution

The fourth proportional to 20,794.24, 28,696.56 and 11,363.20 is: 15,681.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.24 : 28,696.56 = 11,363.20 : x
  2. Step 2: Convert to fraction form
    20,794.24/28,696.56 = 11,363.20/x
  3. Step 3: Cross multiply
    20,794.24x = 28,696.56 × 11,363.20
  4. Step 4: Simplify right side
    20,794.24x = 326,084,750.59
  5. Step 5: Solve for x
    x = 326,084,750.59/20,794.24
  6. Step 6: Final answer
    x = 15,681.49

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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.