Home / 11,487.23-15,852.18-6,451.46

Finding the Fourth Proportional to 11,487.23, 15,852.18 and 6,451.46

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Solution

The fourth proportional to 11,487.23, 15,852.18 and 6,451.46 is: 8,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.23 : 15,852.18 = 6,451.46 : x
  2. Step 2: Convert to fraction form
    11,487.23/15,852.18 = 6,451.46/x
  3. Step 3: Cross multiply
    11,487.23x = 15,852.18 × 6,451.46
  4. Step 4: Simplify right side
    11,487.23x = 102,269,709.56
  5. Step 5: Solve for x
    x = 102,269,709.56/11,487.23
  6. Step 6: Final answer
    x = 8,902.91

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Half scale
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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.