Home / 16,876.76-25,276.86-13,533.38

Finding the Fourth Proportional to 16,876.76, 25,276.86 and 13,533.38

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Solution

The fourth proportional to 16,876.76, 25,276.86 and 13,533.38 is: 20,269.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.76 : 25,276.86 = 13,533.38 : x
  2. Step 2: Convert to fraction form
    16,876.76/25,276.86 = 13,533.38/x
  3. Step 3: Cross multiply
    16,876.76x = 25,276.86 × 13,533.38
  4. Step 4: Simplify right side
    16,876.76x = 342,081,351.59
  5. Step 5: Solve for x
    x = 342,081,351.59/16,876.76
  6. Step 6: Final answer
    x = 20,269.37

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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.