Home / 16,938.15-25,304.21-10,966.39

Finding the Fourth Proportional to 16,938.15, 25,304.21 and 10,966.39

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Solution

The fourth proportional to 16,938.15, 25,304.21 and 10,966.39 is: 16,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.15 : 25,304.21 = 10,966.39 : x
  2. Step 2: Convert to fraction form
    16,938.15/25,304.21 = 10,966.39/x
  3. Step 3: Cross multiply
    16,938.15x = 25,304.21 × 10,966.39
  4. Step 4: Simplify right side
    16,938.15x = 277,495,835.50
  5. Step 5: Solve for x
    x = 277,495,835.50/16,938.15
  6. Step 6: Final answer
    x = 16,382.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.