Home / 11,909.33-16,433.69-6,875.18

Finding the Fourth Proportional to 11,909.33, 16,433.69 and 6,875.18

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Solution

The fourth proportional to 11,909.33, 16,433.69 and 6,875.18 is: 9,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.33 : 16,433.69 = 6,875.18 : x
  2. Step 2: Convert to fraction form
    11,909.33/16,433.69 = 6,875.18/x
  3. Step 3: Cross multiply
    11,909.33x = 16,433.69 × 6,875.18
  4. Step 4: Simplify right side
    11,909.33x = 112,984,494.65
  5. Step 5: Solve for x
    x = 112,984,494.65/11,909.33
  6. Step 6: Final answer
    x = 9,487.06

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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.