Home / 16,660.08-22,985.40-10,997.64

Finding the Fourth Proportional to 16,660.08, 22,985.40 and 10,997.64

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Solution

The fourth proportional to 16,660.08, 22,985.40 and 10,997.64 is: 15,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.08 : 22,985.40 = 10,997.64 : x
  2. Step 2: Convert to fraction form
    16,660.08/22,985.40 = 10,997.64/x
  3. Step 3: Cross multiply
    16,660.08x = 22,985.40 × 10,997.64
  4. Step 4: Simplify right side
    16,660.08x = 252,785,154.46
  5. Step 5: Solve for x
    x = 252,785,154.46/16,660.08
  6. Step 6: Final answer
    x = 15,173.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.