Home / 12,558.06-18,837.09-4,766.87

Finding the Fourth Proportional to 12,558.06, 18,837.09 and 4,766.87

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Solution

The fourth proportional to 12,558.06, 18,837.09 and 4,766.87 is: 7,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.06 : 18,837.09 = 4,766.87 : x
  2. Step 2: Convert to fraction form
    12,558.06/18,837.09 = 4,766.87/x
  3. Step 3: Cross multiply
    12,558.06x = 18,837.09 × 4,766.87
  4. Step 4: Simplify right side
    12,558.06x = 89,793,959.21
  5. Step 5: Solve for x
    x = 89,793,959.21/12,558.06
  6. Step 6: Final answer
    x = 7,150.31

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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.