Home / 14,563.48-20,091.90-8,964.76

Finding the Fourth Proportional to 14,563.48, 20,091.90 and 8,964.76

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Solution

The fourth proportional to 14,563.48, 20,091.90 and 8,964.76 is: 12,367.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,563.48 : 20,091.90 = 8,964.76 : x
  2. Step 2: Convert to fraction form
    14,563.48/20,091.90 = 8,964.76/x
  3. Step 3: Cross multiply
    14,563.48x = 20,091.90 × 8,964.76
  4. Step 4: Simplify right side
    14,563.48x = 180,119,061.44
  5. Step 5: Solve for x
    x = 180,119,061.44/14,563.48
  6. Step 6: Final answer
    x = 12,367.86

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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.