Home / 14,984.40-20,669.30-8,930.60

Finding the Fourth Proportional to 14,984.40, 20,669.30 and 8,930.60

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Solution

The fourth proportional to 14,984.40, 20,669.30 and 8,930.60 is: 12,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.40 : 20,669.30 = 8,930.60 : x
  2. Step 2: Convert to fraction form
    14,984.40/20,669.30 = 8,930.60/x
  3. Step 3: Cross multiply
    14,984.40x = 20,669.30 × 8,930.60
  4. Step 4: Simplify right side
    14,984.40x = 184,589,250.58
  5. Step 5: Solve for x
    x = 184,589,250.58/14,984.40
  6. Step 6: Final answer
    x = 12,318.76

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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.