Home / 10,909.17-16,367.07-3,888.27

Finding the Fourth Proportional to 10,909.17, 16,367.07 and 3,888.27

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Solution

The fourth proportional to 10,909.17, 16,367.07 and 3,888.27 is: 5,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.17 : 16,367.07 = 3,888.27 : x
  2. Step 2: Convert to fraction form
    10,909.17/16,367.07 = 3,888.27/x
  3. Step 3: Cross multiply
    10,909.17x = 16,367.07 × 3,888.27
  4. Step 4: Simplify right side
    10,909.17x = 63,639,587.27
  5. Step 5: Solve for x
    x = 63,639,587.27/10,909.17
  6. Step 6: Final answer
    x = 5,833.59

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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.