Home / 13,266.14-19,905.28-8,334.45

Finding the Fourth Proportional to 13,266.14, 19,905.28 and 8,334.45

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Solution

The fourth proportional to 13,266.14, 19,905.28 and 8,334.45 is: 12,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.14 : 19,905.28 = 8,334.45 : x
  2. Step 2: Convert to fraction form
    13,266.14/19,905.28 = 8,334.45/x
  3. Step 3: Cross multiply
    13,266.14x = 19,905.28 × 8,334.45
  4. Step 4: Simplify right side
    13,266.14x = 165,899,540.06
  5. Step 5: Solve for x
    x = 165,899,540.06/13,266.14
  6. Step 6: Final answer
    x = 12,505.49

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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.