Home / 18,299.31-25,254.09-10,342.23

Finding the Fourth Proportional to 18,299.31, 25,254.09 and 10,342.23

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Solution

The fourth proportional to 18,299.31, 25,254.09 and 10,342.23 is: 14,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.31 : 25,254.09 = 10,342.23 : x
  2. Step 2: Convert to fraction form
    18,299.31/25,254.09 = 10,342.23/x
  3. Step 3: Cross multiply
    18,299.31x = 25,254.09 × 10,342.23
  4. Step 4: Simplify right side
    18,299.31x = 261,183,607.22
  5. Step 5: Solve for x
    x = 261,183,607.22/18,299.31
  6. Step 6: Final answer
    x = 14,272.87

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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.