Home / 12,458.52-18,677.94-6,215.33

Finding the Fourth Proportional to 12,458.52, 18,677.94 and 6,215.33

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Solution

The fourth proportional to 12,458.52, 18,677.94 and 6,215.33 is: 9,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.52 : 18,677.94 = 6,215.33 : x
  2. Step 2: Convert to fraction form
    12,458.52/18,677.94 = 6,215.33/x
  3. Step 3: Cross multiply
    12,458.52x = 18,677.94 × 6,215.33
  4. Step 4: Simplify right side
    12,458.52x = 116,089,467.43
  5. Step 5: Solve for x
    x = 116,089,467.43/12,458.52
  6. Step 6: Final answer
    x = 9,318.08

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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.