Home / 13,381.84-20,054.06-11,397.14

Finding the Fourth Proportional to 13,381.84, 20,054.06 and 11,397.14

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Solution

The fourth proportional to 13,381.84, 20,054.06 and 11,397.14 is: 17,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.84 : 20,054.06 = 11,397.14 : x
  2. Step 2: Convert to fraction form
    13,381.84/20,054.06 = 11,397.14/x
  3. Step 3: Cross multiply
    13,381.84x = 20,054.06 × 11,397.14
  4. Step 4: Simplify right side
    13,381.84x = 228,558,929.39
  5. Step 5: Solve for x
    x = 228,558,929.39/13,381.84
  6. Step 6: Final answer
    x = 17,079.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.