Home / 13,927.36-20,891.04-6,997

Finding the Fourth Proportional to 13,927.36, 20,891.04 and 6,997

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Solution

The fourth proportional to 13,927.36, 20,891.04 and 6,997 is: 10,495.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.36 : 20,891.04 = 6,997 : x
  2. Step 2: Convert to fraction form
    13,927.36/20,891.04 = 6,997/x
  3. Step 3: Cross multiply
    13,927.36x = 20,891.04 × 6,997
  4. Step 4: Simplify right side
    13,927.36x = 146,174,606.88
  5. Step 5: Solve for x
    x = 146,174,606.88/13,927.36
  6. Step 6: Final answer
    x = 10,495.50

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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.