Home / 11,339.28-17,009.88-3,019.30

Finding the Fourth Proportional to 11,339.28, 17,009.88 and 3,019.30

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Solution

The fourth proportional to 11,339.28, 17,009.88 and 3,019.30 is: 4,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.28 : 17,009.88 = 3,019.30 : x
  2. Step 2: Convert to fraction form
    11,339.28/17,009.88 = 3,019.30/x
  3. Step 3: Cross multiply
    11,339.28x = 17,009.88 × 3,019.30
  4. Step 4: Simplify right side
    11,339.28x = 51,357,845.63
  5. Step 5: Solve for x
    x = 51,357,845.63/11,339.28
  6. Step 6: Final answer
    x = 4,529.20

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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.