Home / 15,256.24-21,053.96-8,541.68

Finding the Fourth Proportional to 15,256.24, 21,053.96 and 8,541.68

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Solution

The fourth proportional to 15,256.24, 21,053.96 and 8,541.68 is: 11,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256.24 : 21,053.96 = 8,541.68 : x
  2. Step 2: Convert to fraction form
    15,256.24/21,053.96 = 8,541.68/x
  3. Step 3: Cross multiply
    15,256.24x = 21,053.96 × 8,541.68
  4. Step 4: Simplify right side
    15,256.24x = 179,836,189.05
  5. Step 5: Solve for x
    x = 179,836,189.05/15,256.24
  6. Step 6: Final answer
    x = 11,787.71

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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.