Home / 16,639.49-22,963.10-9,930.26

Finding the Fourth Proportional to 16,639.49, 22,963.10 and 9,930.26

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Solution

The fourth proportional to 16,639.49, 22,963.10 and 9,930.26 is: 13,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.49 : 22,963.10 = 9,930.26 : x
  2. Step 2: Convert to fraction form
    16,639.49/22,963.10 = 9,930.26/x
  3. Step 3: Cross multiply
    16,639.49x = 22,963.10 × 9,930.26
  4. Step 4: Simplify right side
    16,639.49x = 228,029,561.16
  5. Step 5: Solve for x
    x = 228,029,561.16/16,639.49
  6. Step 6: Final answer
    x = 13,704.12

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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.