Home / 20,308.33-28,023.58-11,354.59

Finding the Fourth Proportional to 20,308.33, 28,023.58 and 11,354.59

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Solution

The fourth proportional to 20,308.33, 28,023.58 and 11,354.59 is: 15,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,308.33 : 28,023.58 = 11,354.59 : x
  2. Step 2: Convert to fraction form
    20,308.33/28,023.58 = 11,354.59/x
  3. Step 3: Cross multiply
    20,308.33x = 28,023.58 × 11,354.59
  4. Step 4: Simplify right side
    20,308.33x = 318,196,261.23
  5. Step 5: Solve for x
    x = 318,196,261.23/20,308.33
  6. Step 6: Final answer
    x = 15,668.26

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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.