Home / 21,914.28-32,875.74-7,122.24

Finding the Fourth Proportional to 21,914.28, 32,875.74 and 7,122.24

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Solution

The fourth proportional to 21,914.28, 32,875.74 and 7,122.24 is: 10,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914.28 : 32,875.74 = 7,122.24 : x
  2. Step 2: Convert to fraction form
    21,914.28/32,875.74 = 7,122.24/x
  3. Step 3: Cross multiply
    21,914.28x = 32,875.74 × 7,122.24
  4. Step 4: Simplify right side
    21,914.28x = 234,148,910.46
  5. Step 5: Solve for x
    x = 234,148,910.46/21,914.28
  6. Step 6: Final answer
    x = 10,684.76

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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.