Home / 11,826.31-16,319.47-6,521.01

Finding the Fourth Proportional to 11,826.31, 16,319.47 and 6,521.01

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Solution

The fourth proportional to 11,826.31, 16,319.47 and 6,521.01 is: 8,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.31 : 16,319.47 = 6,521.01 : x
  2. Step 2: Convert to fraction form
    11,826.31/16,319.47 = 6,521.01/x
  3. Step 3: Cross multiply
    11,826.31x = 16,319.47 × 6,521.01
  4. Step 4: Simplify right side
    11,826.31x = 106,419,380.16
  5. Step 5: Solve for x
    x = 106,419,380.16/11,826.31
  6. Step 6: Final answer
    x = 8,998.53

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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.