Home / 9,208.89-13,816.76-5,513.72

Finding the Fourth Proportional to 9,208.89, 13,816.76 and 5,513.72

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Solution

The fourth proportional to 9,208.89, 13,816.76 and 5,513.72 is: 8,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.89 : 13,816.76 = 5,513.72 : x
  2. Step 2: Convert to fraction form
    9,208.89/13,816.76 = 5,513.72/x
  3. Step 3: Cross multiply
    9,208.89x = 13,816.76 × 5,513.72
  4. Step 4: Simplify right side
    9,208.89x = 76,181,649.29
  5. Step 5: Solve for x
    x = 76,181,649.29/9,208.89
  6. Step 6: Final answer
    x = 8,272.62

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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.