Home / 11,345.04-17,019.72-4,419

Finding the Fourth Proportional to 11,345.04, 17,019.72 and 4,419

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Solution

The fourth proportional to 11,345.04, 17,019.72 and 4,419 is: 6,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.04 : 17,019.72 = 4,419 : x
  2. Step 2: Convert to fraction form
    11,345.04/17,019.72 = 4,419/x
  3. Step 3: Cross multiply
    11,345.04x = 17,019.72 × 4,419
  4. Step 4: Simplify right side
    11,345.04x = 75,210,142.68
  5. Step 5: Solve for x
    x = 75,210,142.68/11,345.04
  6. Step 6: Final answer
    x = 6,629.34

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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.