Home / 14,398.89-21,593.40-6,998.59

Finding the Fourth Proportional to 14,398.89, 21,593.40 and 6,998.59

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Solution

The fourth proportional to 14,398.89, 21,593.40 and 6,998.59 is: 10,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.89 : 21,593.40 = 6,998.59 : x
  2. Step 2: Convert to fraction form
    14,398.89/21,593.40 = 6,998.59/x
  3. Step 3: Cross multiply
    14,398.89x = 21,593.40 × 6,998.59
  4. Step 4: Simplify right side
    14,398.89x = 151,123,353.31
  5. Step 5: Solve for x
    x = 151,123,353.31/14,398.89
  6. Step 6: Final answer
    x = 10,495.49

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Half scale
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Double scale
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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.