Home / 11,117.18-16,678.02-4,543.90

Finding the Fourth Proportional to 11,117.18, 16,678.02 and 4,543.90

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Solution

The fourth proportional to 11,117.18, 16,678.02 and 4,543.90 is: 6,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.18 : 16,678.02 = 4,543.90 : x
  2. Step 2: Convert to fraction form
    11,117.18/16,678.02 = 4,543.90/x
  3. Step 3: Cross multiply
    11,117.18x = 16,678.02 × 4,543.90
  4. Step 4: Simplify right side
    11,117.18x = 75,783,171.69
  5. Step 5: Solve for x
    x = 75,783,171.69/11,117.18
  6. Step 6: Final answer
    x = 6,816.76

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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.