Home / 14,359.32-21,500.56-8,431.32

Finding the Fourth Proportional to 14,359.32, 21,500.56 and 8,431.32

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Solution

The fourth proportional to 14,359.32, 21,500.56 and 8,431.32 is: 12,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.32 : 21,500.56 = 8,431.32 : x
  2. Step 2: Convert to fraction form
    14,359.32/21,500.56 = 8,431.32/x
  3. Step 3: Cross multiply
    14,359.32x = 21,500.56 × 8,431.32
  4. Step 4: Simplify right side
    14,359.32x = 181,278,101.54
  5. Step 5: Solve for x
    x = 181,278,101.54/14,359.32
  6. Step 6: Final answer
    x = 12,624.42

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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.