Home / 11,826.21-16,319.42-6,521.07

Finding the Fourth Proportional to 11,826.21, 16,319.42 and 6,521.07

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Solution

The fourth proportional to 11,826.21, 16,319.42 and 6,521.07 is: 8,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.21 : 16,319.42 = 6,521.07 : x
  2. Step 2: Convert to fraction form
    11,826.21/16,319.42 = 6,521.07/x
  3. Step 3: Cross multiply
    11,826.21x = 16,319.42 × 6,521.07
  4. Step 4: Simplify right side
    11,826.21x = 106,420,080.18
  5. Step 5: Solve for x
    x = 106,420,080.18/11,826.21
  6. Step 6: Final answer
    x = 8,998.66

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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.