Home / 11,390.42-17,073.84-5,539.76

Finding the Fourth Proportional to 11,390.42, 17,073.84 and 5,539.76

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Solution

The fourth proportional to 11,390.42, 17,073.84 and 5,539.76 is: 8,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.42 : 17,073.84 = 5,539.76 : x
  2. Step 2: Convert to fraction form
    11,390.42/17,073.84 = 5,539.76/x
  3. Step 3: Cross multiply
    11,390.42x = 17,073.84 × 5,539.76
  4. Step 4: Simplify right side
    11,390.42x = 94,584,975.88
  5. Step 5: Solve for x
    x = 94,584,975.88/11,390.42
  6. Step 6: Final answer
    x = 8,303.91

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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.