Home / 16,826.72-25,243.79-5,140.85

Finding the Fourth Proportional to 16,826.72, 25,243.79 and 5,140.85

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Solution

The fourth proportional to 16,826.72, 25,243.79 and 5,140.85 is: 7,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826.72 : 25,243.79 = 5,140.85 : x
  2. Step 2: Convert to fraction form
    16,826.72/25,243.79 = 5,140.85/x
  3. Step 3: Cross multiply
    16,826.72x = 25,243.79 × 5,140.85
  4. Step 4: Simplify right side
    16,826.72x = 129,774,385.90
  5. Step 5: Solve for x
    x = 129,774,385.90/16,826.72
  6. Step 6: Final answer
    x = 7,712.40

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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.