Home / 18,070.85-27,119.60-8,583.21

Finding the Fourth Proportional to 18,070.85, 27,119.60 and 8,583.21

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Solution

The fourth proportional to 18,070.85, 27,119.60 and 8,583.21 is: 12,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.85 : 27,119.60 = 8,583.21 : x
  2. Step 2: Convert to fraction form
    18,070.85/27,119.60 = 8,583.21/x
  3. Step 3: Cross multiply
    18,070.85x = 27,119.60 × 8,583.21
  4. Step 4: Simplify right side
    18,070.85x = 232,773,221.92
  5. Step 5: Solve for x
    x = 232,773,221.92/18,070.85
  6. Step 6: Final answer
    x = 12,881.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.