Home / 10,897.13-16,348.44-3,105.92

Finding the Fourth Proportional to 10,897.13, 16,348.44 and 3,105.92

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Solution

The fourth proportional to 10,897.13, 16,348.44 and 3,105.92 is: 4,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.13 : 16,348.44 = 3,105.92 : x
  2. Step 2: Convert to fraction form
    10,897.13/16,348.44 = 3,105.92/x
  3. Step 3: Cross multiply
    10,897.13x = 16,348.44 × 3,105.92
  4. Step 4: Simplify right side
    10,897.13x = 50,776,946.76
  5. Step 5: Solve for x
    x = 50,776,946.76/10,897.13
  6. Step 6: Final answer
    x = 4,659.66

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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.