Home / 16,415.28-22,654.26-9,343.98

Finding the Fourth Proportional to 16,415.28, 22,654.26 and 9,343.98

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Solution

The fourth proportional to 16,415.28, 22,654.26 and 9,343.98 is: 12,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.28 : 22,654.26 = 9,343.98 : x
  2. Step 2: Convert to fraction form
    16,415.28/22,654.26 = 9,343.98/x
  3. Step 3: Cross multiply
    16,415.28x = 22,654.26 × 9,343.98
  4. Step 4: Simplify right side
    16,415.28x = 211,680,952.35
  5. Step 5: Solve for x
    x = 211,680,952.35/16,415.28
  6. Step 6: Final answer
    x = 12,895.36

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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.