Home / 11,398.81-17,104.13-8,624.66

Finding the Fourth Proportional to 11,398.81, 17,104.13 and 8,624.66

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Solution

The fourth proportional to 11,398.81, 17,104.13 and 8,624.66 is: 12,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.81 : 17,104.13 = 8,624.66 : x
  2. Step 2: Convert to fraction form
    11,398.81/17,104.13 = 8,624.66/x
  3. Step 3: Cross multiply
    11,398.81x = 17,104.13 × 8,624.66
  4. Step 4: Simplify right side
    11,398.81x = 147,517,241.89
  5. Step 5: Solve for x
    x = 147,517,241.89/11,398.81
  6. Step 6: Final answer
    x = 12,941.46

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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.