Home / 11,348.80-16,946.70-9,272.91

Finding the Fourth Proportional to 11,348.80, 16,946.70 and 9,272.91

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Solution

The fourth proportional to 11,348.80, 16,946.70 and 9,272.91 is: 13,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.80 : 16,946.70 = 9,272.91 : x
  2. Step 2: Convert to fraction form
    11,348.80/16,946.70 = 9,272.91/x
  3. Step 3: Cross multiply
    11,348.80x = 16,946.70 × 9,272.91
  4. Step 4: Simplify right side
    11,348.80x = 157,145,177.53
  5. Step 5: Solve for x
    x = 157,145,177.53/11,348.80
  6. Step 6: Final answer
    x = 13,846.85

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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.