Home / 10,989.33-15,164.96-6,451.94

Finding the Fourth Proportional to 10,989.33, 15,164.96 and 6,451.94

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Solution

The fourth proportional to 10,989.33, 15,164.96 and 6,451.94 is: 8,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.33 : 15,164.96 = 6,451.94 : x
  2. Step 2: Convert to fraction form
    10,989.33/15,164.96 = 6,451.94/x
  3. Step 3: Cross multiply
    10,989.33x = 15,164.96 × 6,451.94
  4. Step 4: Simplify right side
    10,989.33x = 97,843,412.02
  5. Step 5: Solve for x
    x = 97,843,412.02/10,989.33
  6. Step 6: Final answer
    x = 8,903.49

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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.