Home / 20,066.34-27,691.52-11,113.84

Finding the Fourth Proportional to 20,066.34, 27,691.52 and 11,113.84

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Solution

The fourth proportional to 20,066.34, 27,691.52 and 11,113.84 is: 15,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.34 : 27,691.52 = 11,113.84 : x
  2. Step 2: Convert to fraction form
    20,066.34/27,691.52 = 11,113.84/x
  3. Step 3: Cross multiply
    20,066.34x = 27,691.52 × 11,113.84
  4. Step 4: Simplify right side
    20,066.34x = 307,759,122.64
  5. Step 5: Solve for x
    x = 307,759,122.64/20,066.34
  6. Step 6: Final answer
    x = 15,337.08

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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.