Home / 13,834.03-19,088.01-8,167.90

Finding the Fourth Proportional to 13,834.03, 19,088.01 and 8,167.90

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Solution

The fourth proportional to 13,834.03, 19,088.01 and 8,167.90 is: 11,269.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.03 : 19,088.01 = 8,167.90 : x
  2. Step 2: Convert to fraction form
    13,834.03/19,088.01 = 8,167.90/x
  3. Step 3: Cross multiply
    13,834.03x = 19,088.01 × 8,167.90
  4. Step 4: Simplify right side
    13,834.03x = 155,908,956.88
  5. Step 5: Solve for x
    x = 155,908,956.88/13,834.03
  6. Step 6: Final answer
    x = 11,269.96

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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.