Home / 14,359.28-21,556.20-8,553.20

Finding the Fourth Proportional to 14,359.28, 21,556.20 and 8,553.20

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Solution

The fourth proportional to 14,359.28, 21,556.20 and 8,553.20 is: 12,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.28 : 21,556.20 = 8,553.20 : x
  2. Step 2: Convert to fraction form
    14,359.28/21,556.20 = 8,553.20/x
  3. Step 3: Cross multiply
    14,359.28x = 21,556.20 × 8,553.20
  4. Step 4: Simplify right side
    14,359.28x = 184,374,489.84
  5. Step 5: Solve for x
    x = 184,374,489.84/14,359.28
  6. Step 6: Final answer
    x = 12,840.09

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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.