Home / 14,621.32-20,176.66-8,247.72

Finding the Fourth Proportional to 14,621.32, 20,176.66 and 8,247.72

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Solution

The fourth proportional to 14,621.32, 20,176.66 and 8,247.72 is: 11,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.32 : 20,176.66 = 8,247.72 : x
  2. Step 2: Convert to fraction form
    14,621.32/20,176.66 = 8,247.72/x
  3. Step 3: Cross multiply
    14,621.32x = 20,176.66 × 8,247.72
  4. Step 4: Simplify right side
    14,621.32x = 166,411,442.22
  5. Step 5: Solve for x
    x = 166,411,442.22/14,621.32
  6. Step 6: Final answer
    x = 11,381.42

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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.