Home / 13,902.54-20,851.29-5,582.22

Finding the Fourth Proportional to 13,902.54, 20,851.29 and 5,582.22

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Solution

The fourth proportional to 13,902.54, 20,851.29 and 5,582.22 is: 8,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.54 : 20,851.29 = 5,582.22 : x
  2. Step 2: Convert to fraction form
    13,902.54/20,851.29 = 5,582.22/x
  3. Step 3: Cross multiply
    13,902.54x = 20,851.29 × 5,582.22
  4. Step 4: Simplify right side
    13,902.54x = 116,396,488.06
  5. Step 5: Solve for x
    x = 116,396,488.06/13,902.54
  6. Step 6: Final answer
    x = 8,372.32

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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.