Home / 11,487.04-15,852.06-6,451.26

Finding the Fourth Proportional to 11,487.04, 15,852.06 and 6,451.26

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Solution

The fourth proportional to 11,487.04, 15,852.06 and 6,451.26 is: 8,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.04 : 15,852.06 = 6,451.26 : x
  2. Step 2: Convert to fraction form
    11,487.04/15,852.06 = 6,451.26/x
  3. Step 3: Cross multiply
    11,487.04x = 15,852.06 × 6,451.26
  4. Step 4: Simplify right side
    11,487.04x = 102,265,760.60
  5. Step 5: Solve for x
    x = 102,265,760.60/11,487.04
  6. Step 6: Final answer
    x = 8,902.71

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Half scale
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Double scale
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Similar ratio
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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.