Home / 13,888.35-19,167.44-8,857.17

Finding the Fourth Proportional to 13,888.35, 19,167.44 and 8,857.17

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Solution

The fourth proportional to 13,888.35, 19,167.44 and 8,857.17 is: 12,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.35 : 19,167.44 = 8,857.17 : x
  2. Step 2: Convert to fraction form
    13,888.35/19,167.44 = 8,857.17/x
  3. Step 3: Cross multiply
    13,888.35x = 19,167.44 × 8,857.17
  4. Step 4: Simplify right side
    13,888.35x = 169,769,230.26
  5. Step 5: Solve for x
    x = 169,769,230.26/13,888.35
  6. Step 6: Final answer
    x = 12,223.86

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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.