Home / 12,465.60-18,698.64-3,701.12

Finding the Fourth Proportional to 12,465.60, 18,698.64 and 3,701.12

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Solution

The fourth proportional to 12,465.60, 18,698.64 and 3,701.12 is: 5,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.60 : 18,698.64 = 3,701.12 : x
  2. Step 2: Convert to fraction form
    12,465.60/18,698.64 = 3,701.12/x
  3. Step 3: Cross multiply
    12,465.60x = 18,698.64 × 3,701.12
  4. Step 4: Simplify right side
    12,465.60x = 69,205,910.48
  5. Step 5: Solve for x
    x = 69,205,910.48/12,465.60
  6. Step 6: Final answer
    x = 5,551.75

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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.