Home / 21,560.00-32,340.14-7,519.96

Finding the Fourth Proportional to 21,560.00, 32,340.14 and 7,519.96

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Solution

The fourth proportional to 21,560.00, 32,340.14 and 7,519.96 is: 11,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560.00 : 32,340.14 = 7,519.96 : x
  2. Step 2: Convert to fraction form
    21,560.00/32,340.14 = 7,519.96/x
  3. Step 3: Cross multiply
    21,560.00x = 32,340.14 × 7,519.96
  4. Step 4: Simplify right side
    21,560.00x = 243,196,660.03
  5. Step 5: Solve for x
    x = 243,196,660.03/21,560.00
  6. Step 6: Final answer
    x = 11,279.99

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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.