Home / 10,989.95-16,497.21-7,299.38

Finding the Fourth Proportional to 10,989.95, 16,497.21 and 7,299.38

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Solution

The fourth proportional to 10,989.95, 16,497.21 and 7,299.38 is: 10,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.95 : 16,497.21 = 7,299.38 : x
  2. Step 2: Convert to fraction form
    10,989.95/16,497.21 = 7,299.38/x
  3. Step 3: Cross multiply
    10,989.95x = 16,497.21 × 7,299.38
  4. Step 4: Simplify right side
    10,989.95x = 120,419,322.24
  5. Step 5: Solve for x
    x = 120,419,322.24/10,989.95
  6. Step 6: Final answer
    x = 10,957.23

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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.