Home / 14,986.40-20,672.06-8,932.60

Finding the Fourth Proportional to 14,986.40, 20,672.06 and 8,932.60

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Solution

The fourth proportional to 14,986.40, 20,672.06 and 8,932.60 is: 12,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.40 : 20,672.06 = 8,932.60 : x
  2. Step 2: Convert to fraction form
    14,986.40/20,672.06 = 8,932.60/x
  3. Step 3: Cross multiply
    14,986.40x = 20,672.06 × 8,932.60
  4. Step 4: Simplify right side
    14,986.40x = 184,655,243.16
  5. Step 5: Solve for x
    x = 184,655,243.16/14,986.40
  6. Step 6: Final answer
    x = 12,321.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.