Home / 20,291.04-27,999.54-11,338.29

Finding the Fourth Proportional to 20,291.04, 27,999.54 and 11,338.29

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Solution

The fourth proportional to 20,291.04, 27,999.54 and 11,338.29 is: 15,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,291.04 : 27,999.54 = 11,338.29 : x
  2. Step 2: Convert to fraction form
    20,291.04/27,999.54 = 11,338.29/x
  3. Step 3: Cross multiply
    20,291.04x = 27,999.54 × 11,338.29
  4. Step 4: Simplify right side
    20,291.04x = 317,466,904.39
  5. Step 5: Solve for x
    x = 317,466,904.39/20,291.04
  6. Step 6: Final answer
    x = 15,645.67

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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.