Home / 15,285.36-22,823.44-13,693.82

Finding the Fourth Proportional to 15,285.36, 22,823.44 and 13,693.82

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Solution

The fourth proportional to 15,285.36, 22,823.44 and 13,693.82 is: 20,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.36 : 22,823.44 = 13,693.82 : x
  2. Step 2: Convert to fraction form
    15,285.36/22,823.44 = 13,693.82/x
  3. Step 3: Cross multiply
    15,285.36x = 22,823.44 × 13,693.82
  4. Step 4: Simplify right side
    15,285.36x = 312,540,079.14
  5. Step 5: Solve for x
    x = 312,540,079.14/15,285.36
  6. Step 6: Final answer
    x = 20,447.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.