Home / 12,468.52-18,700.75-4,146.58

Finding the Fourth Proportional to 12,468.52, 18,700.75 and 4,146.58

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Solution

The fourth proportional to 12,468.52, 18,700.75 and 4,146.58 is: 6,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.52 : 18,700.75 = 4,146.58 : x
  2. Step 2: Convert to fraction form
    12,468.52/18,700.75 = 4,146.58/x
  3. Step 3: Cross multiply
    12,468.52x = 18,700.75 × 4,146.58
  4. Step 4: Simplify right side
    12,468.52x = 77,544,155.94
  5. Step 5: Solve for x
    x = 77,544,155.94/12,468.52
  6. Step 6: Final answer
    x = 6,219.19

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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.