Home / 11,248.49-15,520.89-6,467.32

Finding the Fourth Proportional to 11,248.49, 15,520.89 and 6,467.32

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Solution

The fourth proportional to 11,248.49, 15,520.89 and 6,467.32 is: 8,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.49 : 15,520.89 = 6,467.32 : x
  2. Step 2: Convert to fraction form
    11,248.49/15,520.89 = 6,467.32/x
  3. Step 3: Cross multiply
    11,248.49x = 15,520.89 × 6,467.32
  4. Step 4: Simplify right side
    11,248.49x = 100,378,484.71
  5. Step 5: Solve for x
    x = 100,378,484.71/11,248.49
  6. Step 6: Final answer
    x = 8,923.73

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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.