Home / 11,621.79-17,417.91-5,697.24

Finding the Fourth Proportional to 11,621.79, 17,417.91 and 5,697.24

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Solution

The fourth proportional to 11,621.79, 17,417.91 and 5,697.24 is: 8,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.79 : 17,417.91 = 5,697.24 : x
  2. Step 2: Convert to fraction form
    11,621.79/17,417.91 = 5,697.24/x
  3. Step 3: Cross multiply
    11,621.79x = 17,417.91 × 5,697.24
  4. Step 4: Simplify right side
    11,621.79x = 99,234,035.54
  5. Step 5: Solve for x
    x = 99,234,035.54/11,621.79
  6. Step 6: Final answer
    x = 8,538.62

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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.