Home / 14,621.72-20,176.63-8,953.88

Finding the Fourth Proportional to 14,621.72, 20,176.63 and 8,953.88

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Solution

The fourth proportional to 14,621.72, 20,176.63 and 8,953.88 is: 12,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.72 : 20,176.63 = 8,953.88 : x
  2. Step 2: Convert to fraction form
    14,621.72/20,176.63 = 8,953.88/x
  3. Step 3: Cross multiply
    14,621.72x = 20,176.63 × 8,953.88
  4. Step 4: Simplify right side
    14,621.72x = 180,659,000.56
  5. Step 5: Solve for x
    x = 180,659,000.56/14,621.72
  6. Step 6: Final answer
    x = 12,355.53

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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.