Home / 13,871.64-19,137.42-8,834.52

Finding the Fourth Proportional to 13,871.64, 19,137.42 and 8,834.52

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Solution

The fourth proportional to 13,871.64, 19,137.42 and 8,834.52 is: 12,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871.64 : 19,137.42 = 8,834.52 : x
  2. Step 2: Convert to fraction form
    13,871.64/19,137.42 = 8,834.52/x
  3. Step 3: Cross multiply
    13,871.64x = 19,137.42 × 8,834.52
  4. Step 4: Simplify right side
    13,871.64x = 169,069,919.74
  5. Step 5: Solve for x
    x = 169,069,919.74/13,871.64
  6. Step 6: Final answer
    x = 12,188.17

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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.