Home / 14,115.03-19,487.20-8,817.03

Finding the Fourth Proportional to 14,115.03, 19,487.20 and 8,817.03

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Solution

The fourth proportional to 14,115.03, 19,487.20 and 8,817.03 is: 12,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.03 : 19,487.20 = 8,817.03 : x
  2. Step 2: Convert to fraction form
    14,115.03/19,487.20 = 8,817.03/x
  3. Step 3: Cross multiply
    14,115.03x = 19,487.20 × 8,817.03
  4. Step 4: Simplify right side
    14,115.03x = 171,819,129.50
  5. Step 5: Solve for x
    x = 171,819,129.50/14,115.03
  6. Step 6: Final answer
    x = 12,172.77

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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.