Home / 22,388.16-30,892.40-13,433.76

Finding the Fourth Proportional to 22,388.16, 30,892.40 and 13,433.76

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Solution

The fourth proportional to 22,388.16, 30,892.40 and 13,433.76 is: 18,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,388.16 : 30,892.40 = 13,433.76 : x
  2. Step 2: Convert to fraction form
    22,388.16/30,892.40 = 13,433.76/x
  3. Step 3: Cross multiply
    22,388.16x = 30,892.40 × 13,433.76
  4. Step 4: Simplify right side
    22,388.16x = 415,001,087.42
  5. Step 5: Solve for x
    x = 415,001,087.42/22,388.16
  6. Step 6: Final answer
    x = 18,536.63

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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.