Home / 12,495.24-18,742.17-4,174.39

Finding the Fourth Proportional to 12,495.24, 18,742.17 and 4,174.39

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Solution

The fourth proportional to 12,495.24, 18,742.17 and 4,174.39 is: 6,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.24 : 18,742.17 = 4,174.39 : x
  2. Step 2: Convert to fraction form
    12,495.24/18,742.17 = 4,174.39/x
  3. Step 3: Cross multiply
    12,495.24x = 18,742.17 × 4,174.39
  4. Step 4: Simplify right side
    12,495.24x = 78,237,033.32
  5. Step 5: Solve for x
    x = 78,237,033.32/12,495.24
  6. Step 6: Final answer
    x = 6,261.35

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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.