Home / 11,258.34-15,537.18-6,479.82

Finding the Fourth Proportional to 11,258.34, 15,537.18 and 6,479.82

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Solution

The fourth proportional to 11,258.34, 15,537.18 and 6,479.82 is: 8,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.34 : 15,537.18 = 6,479.82 : x
  2. Step 2: Convert to fraction form
    11,258.34/15,537.18 = 6,479.82/x
  3. Step 3: Cross multiply
    11,258.34x = 15,537.18 × 6,479.82
  4. Step 4: Simplify right side
    11,258.34x = 100,678,129.71
  5. Step 5: Solve for x
    x = 100,678,129.71/11,258.34
  6. Step 6: Final answer
    x = 8,942.54

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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.