Home / 10,951.90-16,434.60-4,377.40

Finding the Fourth Proportional to 10,951.90, 16,434.60 and 4,377.40

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Solution

The fourth proportional to 10,951.90, 16,434.60 and 4,377.40 is: 6,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.90 : 16,434.60 = 4,377.40 : x
  2. Step 2: Convert to fraction form
    10,951.90/16,434.60 = 4,377.40/x
  3. Step 3: Cross multiply
    10,951.90x = 16,434.60 × 4,377.40
  4. Step 4: Simplify right side
    10,951.90x = 71,940,818.04
  5. Step 5: Solve for x
    x = 71,940,818.04/10,951.90
  6. Step 6: Final answer
    x = 6,568.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.