Home / 12,458.52-18,689.04-3,693.60

Finding the Fourth Proportional to 12,458.52, 18,689.04 and 3,693.60

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Solution

The fourth proportional to 12,458.52, 18,689.04 and 3,693.60 is: 5,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.52 : 18,689.04 = 3,693.60 : x
  2. Step 2: Convert to fraction form
    12,458.52/18,689.04 = 3,693.60/x
  3. Step 3: Cross multiply
    12,458.52x = 18,689.04 × 3,693.60
  4. Step 4: Simplify right side
    12,458.52x = 69,029,838.14
  5. Step 5: Solve for x
    x = 69,029,838.14/12,458.52
  6. Step 6: Final answer
    x = 5,540.77

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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.