Home / 12,468.42-18,703.44-4,148.10

Finding the Fourth Proportional to 12,468.42, 18,703.44 and 4,148.10

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Solution

The fourth proportional to 12,468.42, 18,703.44 and 4,148.10 is: 6,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.42 : 18,703.44 = 4,148.10 : x
  2. Step 2: Convert to fraction form
    12,468.42/18,703.44 = 4,148.10/x
  3. Step 3: Cross multiply
    12,468.42x = 18,703.44 × 4,148.10
  4. Step 4: Simplify right side
    12,468.42x = 77,583,739.46
  5. Step 5: Solve for x
    x = 77,583,739.46/12,468.42
  6. Step 6: Final answer
    x = 6,222.42

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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.