Home / 13,397.14-20,091.87-4,511.50

Finding the Fourth Proportional to 13,397.14, 20,091.87 and 4,511.50

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Solution

The fourth proportional to 13,397.14, 20,091.87 and 4,511.50 is: 6,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.14 : 20,091.87 = 4,511.50 : x
  2. Step 2: Convert to fraction form
    13,397.14/20,091.87 = 4,511.50/x
  3. Step 3: Cross multiply
    13,397.14x = 20,091.87 × 4,511.50
  4. Step 4: Simplify right side
    13,397.14x = 90,644,471.51
  5. Step 5: Solve for x
    x = 90,644,471.51/13,397.14
  6. Step 6: Final answer
    x = 6,765.96

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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.