Home / 12,135.24-18,202.86-4,349.52

Finding the Fourth Proportional to 12,135.24, 18,202.86 and 4,349.52

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Solution

The fourth proportional to 12,135.24, 18,202.86 and 4,349.52 is: 6,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135.24 : 18,202.86 = 4,349.52 : x
  2. Step 2: Convert to fraction form
    12,135.24/18,202.86 = 4,349.52/x
  3. Step 3: Cross multiply
    12,135.24x = 18,202.86 × 4,349.52
  4. Step 4: Simplify right side
    12,135.24x = 79,173,703.63
  5. Step 5: Solve for x
    x = 79,173,703.63/12,135.24
  6. Step 6: Final answer
    x = 6,524.28

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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.