Home / 21,505.37-32,252.58-6,715.78

Finding the Fourth Proportional to 21,505.37, 32,252.58 and 6,715.78

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Solution

The fourth proportional to 21,505.37, 32,252.58 and 6,715.78 is: 10,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505.37 : 32,252.58 = 6,715.78 : x
  2. Step 2: Convert to fraction form
    21,505.37/32,252.58 = 6,715.78/x
  3. Step 3: Cross multiply
    21,505.37x = 32,252.58 × 6,715.78
  4. Step 4: Simplify right side
    21,505.37x = 216,601,297.21
  5. Step 5: Solve for x
    x = 216,601,297.21/21,505.37
  6. Step 6: Final answer
    x = 10,071.96

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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.