Home / 14,593.34-20,138.73-8,219.91

Finding the Fourth Proportional to 14,593.34, 20,138.73 and 8,219.91

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Solution

The fourth proportional to 14,593.34, 20,138.73 and 8,219.91 is: 11,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.34 : 20,138.73 = 8,219.91 : x
  2. Step 2: Convert to fraction form
    14,593.34/20,138.73 = 8,219.91/x
  3. Step 3: Cross multiply
    14,593.34x = 20,138.73 × 8,219.91
  4. Step 4: Simplify right side
    14,593.34x = 165,538,548.11
  5. Step 5: Solve for x
    x = 165,538,548.11/14,593.34
  6. Step 6: Final answer
    x = 11,343.44

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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.