Home / 9,099.37-12,558.73-8,683.84

Finding the Fourth Proportional to 9,099.37, 12,558.73 and 8,683.84

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Solution

The fourth proportional to 9,099.37, 12,558.73 and 8,683.84 is: 11,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.37 : 12,558.73 = 8,683.84 : x
  2. Step 2: Convert to fraction form
    9,099.37/12,558.73 = 8,683.84/x
  3. Step 3: Cross multiply
    9,099.37x = 12,558.73 × 8,683.84
  4. Step 4: Simplify right side
    9,099.37x = 109,057,939.13
  5. Step 5: Solve for x
    x = 109,057,939.13/9,099.37
  6. Step 6: Final answer
    x = 11,985.23

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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.