Home / 16,278.61-22,463.41-9,107.30

Finding the Fourth Proportional to 16,278.61, 22,463.41 and 9,107.30

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Solution

The fourth proportional to 16,278.61, 22,463.41 and 9,107.30 is: 12,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.61 : 22,463.41 = 9,107.30 : x
  2. Step 2: Convert to fraction form
    16,278.61/22,463.41 = 9,107.30/x
  3. Step 3: Cross multiply
    16,278.61x = 22,463.41 × 9,107.30
  4. Step 4: Simplify right side
    16,278.61x = 204,580,901.58
  5. Step 5: Solve for x
    x = 204,580,901.58/16,278.61
  6. Step 6: Final answer
    x = 12,567.47

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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.