Home / 11,303.91-16,959.92-3,909.11

Finding the Fourth Proportional to 11,303.91, 16,959.92 and 3,909.11

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Solution

The fourth proportional to 11,303.91, 16,959.92 and 3,909.11 is: 5,865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.91 : 16,959.92 = 3,909.11 : x
  2. Step 2: Convert to fraction form
    11,303.91/16,959.92 = 3,909.11/x
  3. Step 3: Cross multiply
    11,303.91x = 16,959.92 × 3,909.11
  4. Step 4: Simplify right side
    11,303.91x = 66,298,088.53
  5. Step 5: Solve for x
    x = 66,298,088.53/11,303.91
  6. Step 6: Final answer
    x = 5,865.06

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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.