Home / 11,621.64-17,434.55-4,236.46

Finding the Fourth Proportional to 11,621.64, 17,434.55 and 4,236.46

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Solution

The fourth proportional to 11,621.64, 17,434.55 and 4,236.46 is: 6,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.64 : 17,434.55 = 4,236.46 : x
  2. Step 2: Convert to fraction form
    11,621.64/17,434.55 = 4,236.46/x
  3. Step 3: Cross multiply
    11,621.64x = 17,434.55 × 4,236.46
  4. Step 4: Simplify right side
    11,621.64x = 73,860,773.69
  5. Step 5: Solve for x
    x = 73,860,773.69/11,621.64
  6. Step 6: Final answer
    x = 6,355.45

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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.