Home / 10,900.04-16,350.21-3,108.86

Finding the Fourth Proportional to 10,900.04, 16,350.21 and 3,108.86

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Solution

The fourth proportional to 10,900.04, 16,350.21 and 3,108.86 is: 4,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.04 : 16,350.21 = 3,108.86 : x
  2. Step 2: Convert to fraction form
    10,900.04/16,350.21 = 3,108.86/x
  3. Step 3: Cross multiply
    10,900.04x = 16,350.21 × 3,108.86
  4. Step 4: Simplify right side
    10,900.04x = 50,830,432.11
  5. Step 5: Solve for x
    x = 50,830,432.11/10,900.04
  6. Step 6: Final answer
    x = 4,663.33

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Double scale
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Similar ratio
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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.