Home / 13,266.28-19,876.33-11,071.99

Finding the Fourth Proportional to 13,266.28, 19,876.33 and 11,071.99

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Solution

The fourth proportional to 13,266.28, 19,876.33 and 11,071.99 is: 16,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.28 : 19,876.33 = 11,071.99 : x
  2. Step 2: Convert to fraction form
    13,266.28/19,876.33 = 11,071.99/x
  3. Step 3: Cross multiply
    13,266.28x = 19,876.33 × 11,071.99
  4. Step 4: Simplify right side
    13,266.28x = 220,070,372.26
  5. Step 5: Solve for x
    x = 220,070,372.26/13,266.28
  6. Step 6: Final answer
    x = 16,588.71

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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.