Home / 11,405.21-17,113.28-5,558.63

Finding the Fourth Proportional to 11,405.21, 17,113.28 and 5,558.63

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Solution

The fourth proportional to 11,405.21, 17,113.28 and 5,558.63 is: 8,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.21 : 17,113.28 = 5,558.63 : x
  2. Step 2: Convert to fraction form
    11,405.21/17,113.28 = 5,558.63/x
  3. Step 3: Cross multiply
    11,405.21x = 17,113.28 × 5,558.63
  4. Step 4: Simplify right side
    11,405.21x = 95,126,278.25
  5. Step 5: Solve for x
    x = 95,126,278.25/11,405.21
  6. Step 6: Final answer
    x = 8,340.60

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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.