Home / 11,487.29-15,852.44-6,451.65

Finding the Fourth Proportional to 11,487.29, 15,852.44 and 6,451.65

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Solution

The fourth proportional to 11,487.29, 15,852.44 and 6,451.65 is: 8,903.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.29 : 15,852.44 = 6,451.65 : x
  2. Step 2: Convert to fraction form
    11,487.29/15,852.44 = 6,451.65/x
  3. Step 3: Cross multiply
    11,487.29x = 15,852.44 × 6,451.65
  4. Step 4: Simplify right side
    11,487.29x = 102,274,410.66
  5. Step 5: Solve for x
    x = 102,274,410.66/11,487.29
  6. Step 6: Final answer
    x = 8,903.27

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Double scale
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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.