Home / 21,741.57-32,618.85-12,501.09

Finding the Fourth Proportional to 21,741.57, 32,618.85 and 12,501.09

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Solution

The fourth proportional to 21,741.57, 32,618.85 and 12,501.09 is: 18,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741.57 : 32,618.85 = 12,501.09 : x
  2. Step 2: Convert to fraction form
    21,741.57/32,618.85 = 12,501.09/x
  3. Step 3: Cross multiply
    21,741.57x = 32,618.85 × 12,501.09
  4. Step 4: Simplify right side
    21,741.57x = 407,771,179.55
  5. Step 5: Solve for x
    x = 407,771,179.55/21,741.57
  6. Step 6: Final answer
    x = 18,755.37

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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.