Home / 16,601.90-22,913.70-9,431.78

Finding the Fourth Proportional to 16,601.90, 22,913.70 and 9,431.78

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Solution

The fourth proportional to 16,601.90, 22,913.70 and 9,431.78 is: 13,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,601.90 : 22,913.70 = 9,431.78 : x
  2. Step 2: Convert to fraction form
    16,601.90/22,913.70 = 9,431.78/x
  3. Step 3: Cross multiply
    16,601.90x = 22,913.70 × 9,431.78
  4. Step 4: Simplify right side
    16,601.90x = 216,116,977.39
  5. Step 5: Solve for x
    x = 216,116,977.39/16,601.90
  6. Step 6: Final answer
    x = 13,017.61

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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.