Home / 16,866.96-25,298.22-5,179.20

Finding the Fourth Proportional to 16,866.96, 25,298.22 and 5,179.20

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Solution

The fourth proportional to 16,866.96, 25,298.22 and 5,179.20 is: 7,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.96 : 25,298.22 = 5,179.20 : x
  2. Step 2: Convert to fraction form
    16,866.96/25,298.22 = 5,179.20/x
  3. Step 3: Cross multiply
    16,866.96x = 25,298.22 × 5,179.20
  4. Step 4: Simplify right side
    16,866.96x = 131,024,541.02
  5. Step 5: Solve for x
    x = 131,024,541.02/16,866.96
  6. Step 6: Final answer
    x = 7,768.12

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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.