Home / 13,373.84-20,045.82-11,817.56

Finding the Fourth Proportional to 13,373.84, 20,045.82 and 11,817.56

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Solution

The fourth proportional to 13,373.84, 20,045.82 and 11,817.56 is: 17,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.84 : 20,045.82 = 11,817.56 : x
  2. Step 2: Convert to fraction form
    13,373.84/20,045.82 = 11,817.56/x
  3. Step 3: Cross multiply
    13,373.84x = 20,045.82 × 11,817.56
  4. Step 4: Simplify right side
    13,373.84x = 236,892,680.60
  5. Step 5: Solve for x
    x = 236,892,680.60/13,373.84
  6. Step 6: Final answer
    x = 17,713.14

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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.