Home / 10,683.60-16,025.40-6,997.20

Finding the Fourth Proportional to 10,683.60, 16,025.40 and 6,997.20

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Solution

The fourth proportional to 10,683.60, 16,025.40 and 6,997.20 is: 10,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,683.60 : 16,025.40 = 6,997.20 : x
  2. Step 2: Convert to fraction form
    10,683.60/16,025.40 = 6,997.20/x
  3. Step 3: Cross multiply
    10,683.60x = 16,025.40 × 6,997.20
  4. Step 4: Simplify right side
    10,683.60x = 112,132,928.88
  5. Step 5: Solve for x
    x = 112,132,928.88/10,683.60
  6. Step 6: Final answer
    x = 10,495.80

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.