Home / 11,181.29-15,432.48-6,467.09

Finding the Fourth Proportional to 11,181.29, 15,432.48 and 6,467.09

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Solution

The fourth proportional to 11,181.29, 15,432.48 and 6,467.09 is: 8,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.29 : 15,432.48 = 6,467.09 : x
  2. Step 2: Convert to fraction form
    11,181.29/15,432.48 = 6,467.09/x
  3. Step 3: Cross multiply
    11,181.29x = 15,432.48 × 6,467.09
  4. Step 4: Simplify right side
    11,181.29x = 99,803,159.92
  5. Step 5: Solve for x
    x = 99,803,159.92/11,181.29
  6. Step 6: Final answer
    x = 8,925.91

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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.