Home / 16,909.40-23,338.64-9,836.75

Finding the Fourth Proportional to 16,909.40, 23,338.64 and 9,836.75

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Solution

The fourth proportional to 16,909.40, 23,338.64 and 9,836.75 is: 13,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.40 : 23,338.64 = 9,836.75 : x
  2. Step 2: Convert to fraction form
    16,909.40/23,338.64 = 9,836.75/x
  3. Step 3: Cross multiply
    16,909.40x = 23,338.64 × 9,836.75
  4. Step 4: Simplify right side
    16,909.40x = 229,576,274.92
  5. Step 5: Solve for x
    x = 229,576,274.92/16,909.40
  6. Step 6: Final answer
    x = 13,576.85

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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.