Home / 14,189.52-21,281.44-13,486.96

Finding the Fourth Proportional to 14,189.52, 21,281.44 and 13,486.96

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Solution

The fourth proportional to 14,189.52, 21,281.44 and 13,486.96 is: 20,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.52 : 21,281.44 = 13,486.96 : x
  2. Step 2: Convert to fraction form
    14,189.52/21,281.44 = 13,486.96/x
  3. Step 3: Cross multiply
    14,189.52x = 21,281.44 × 13,486.96
  4. Step 4: Simplify right side
    14,189.52x = 287,021,930.02
  5. Step 5: Solve for x
    x = 287,021,930.02/14,189.52
  6. Step 6: Final answer
    x = 20,227.74

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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.