Home / 13,881.26-19,170.14-8,847.86

Finding the Fourth Proportional to 13,881.26, 19,170.14 and 8,847.86

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Solution

The fourth proportional to 13,881.26, 19,170.14 and 8,847.86 is: 12,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.26 : 19,170.14 = 8,847.86 : x
  2. Step 2: Convert to fraction form
    13,881.26/19,170.14 = 8,847.86/x
  3. Step 3: Cross multiply
    13,881.26x = 19,170.14 × 8,847.86
  4. Step 4: Simplify right side
    13,881.26x = 169,614,574.81
  5. Step 5: Solve for x
    x = 169,614,574.81/13,881.26
  6. Step 6: Final answer
    x = 12,218.96

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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.