Home / 13,511.96-20,267.34-4,151.60

Finding the Fourth Proportional to 13,511.96, 20,267.34 and 4,151.60

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Solution

The fourth proportional to 13,511.96, 20,267.34 and 4,151.60 is: 6,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511.96 : 20,267.34 = 4,151.60 : x
  2. Step 2: Convert to fraction form
    13,511.96/20,267.34 = 4,151.60/x
  3. Step 3: Cross multiply
    13,511.96x = 20,267.34 × 4,151.60
  4. Step 4: Simplify right side
    13,511.96x = 84,141,888.74
  5. Step 5: Solve for x
    x = 84,141,888.74/13,511.96
  6. Step 6: Final answer
    x = 6,227.22

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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.