Home / 11,320.73-16,984.02-4,300.86

Finding the Fourth Proportional to 11,320.73, 16,984.02 and 4,300.86

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Solution

The fourth proportional to 11,320.73, 16,984.02 and 4,300.86 is: 6,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.73 : 16,984.02 = 4,300.86 : x
  2. Step 2: Convert to fraction form
    11,320.73/16,984.02 = 4,300.86/x
  3. Step 3: Cross multiply
    11,320.73x = 16,984.02 × 4,300.86
  4. Step 4: Simplify right side
    11,320.73x = 73,045,892.26
  5. Step 5: Solve for x
    x = 73,045,892.26/11,320.73
  6. Step 6: Final answer
    x = 6,452.40

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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.