Home / 16,621.85-24,930-5,529.71

Finding the Fourth Proportional to 16,621.85, 24,930 and 5,529.71

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Solution

The fourth proportional to 16,621.85, 24,930 and 5,529.71 is: 8,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.85 : 24,930 = 5,529.71 : x
  2. Step 2: Convert to fraction form
    16,621.85/24,930 = 5,529.71/x
  3. Step 3: Cross multiply
    16,621.85x = 24,930 × 5,529.71
  4. Step 4: Simplify right side
    16,621.85x = 137,855,670.30
  5. Step 5: Solve for x
    x = 137,855,670.30/16,621.85
  6. Step 6: Final answer
    x = 8,293.64

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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.