Home / 13,308.87-18,367.95-11,066.89

Finding the Fourth Proportional to 13,308.87, 18,367.95 and 11,066.89

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Solution

The fourth proportional to 13,308.87, 18,367.95 and 11,066.89 is: 15,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.87 : 18,367.95 = 11,066.89 : x
  2. Step 2: Convert to fraction form
    13,308.87/18,367.95 = 11,066.89/x
  3. Step 3: Cross multiply
    13,308.87x = 18,367.95 × 11,066.89
  4. Step 4: Simplify right side
    13,308.87x = 203,276,082.18
  5. Step 5: Solve for x
    x = 203,276,082.18/13,308.87
  6. Step 6: Final answer
    x = 15,273.73

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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.