Home / 13,664.37-18,837.59-10,310.97

Finding the Fourth Proportional to 13,664.37, 18,837.59 and 10,310.97

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Solution

The fourth proportional to 13,664.37, 18,837.59 and 10,310.97 is: 14,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.37 : 18,837.59 = 10,310.97 : x
  2. Step 2: Convert to fraction form
    13,664.37/18,837.59 = 10,310.97/x
  3. Step 3: Cross multiply
    13,664.37x = 18,837.59 × 10,310.97
  4. Step 4: Simplify right side
    13,664.37x = 194,233,773.81
  5. Step 5: Solve for x
    x = 194,233,773.81/13,664.37
  6. Step 6: Final answer
    x = 14,214.62

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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.