Home / 16,966.68-23,399.70-10,917.90

Finding the Fourth Proportional to 16,966.68, 23,399.70 and 10,917.90

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Solution

The fourth proportional to 16,966.68, 23,399.70 and 10,917.90 is: 15,057.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.68 : 23,399.70 = 10,917.90 : x
  2. Step 2: Convert to fraction form
    16,966.68/23,399.70 = 10,917.90/x
  3. Step 3: Cross multiply
    16,966.68x = 23,399.70 × 10,917.90
  4. Step 4: Simplify right side
    16,966.68x = 255,475,584.63
  5. Step 5: Solve for x
    x = 255,475,584.63/16,966.68
  6. Step 6: Final answer
    x = 15,057.49

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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.