Home / 11,826.18-16,320.08-6,520.98

Finding the Fourth Proportional to 11,826.18, 16,320.08 and 6,520.98

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Solution

The fourth proportional to 11,826.18, 16,320.08 and 6,520.98 is: 8,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.18 : 16,320.08 = 6,520.98 : x
  2. Step 2: Convert to fraction form
    11,826.18/16,320.08 = 6,520.98/x
  3. Step 3: Cross multiply
    11,826.18x = 16,320.08 × 6,520.98
  4. Step 4: Simplify right side
    11,826.18x = 106,422,915.28
  5. Step 5: Solve for x
    x = 106,422,915.28/11,826.18
  6. Step 6: Final answer
    x = 8,998.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.