Home / 15,391.82-23,088.78-4,862.32

Finding the Fourth Proportional to 15,391.82, 23,088.78 and 4,862.32

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Solution

The fourth proportional to 15,391.82, 23,088.78 and 4,862.32 is: 7,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391.82 : 23,088.78 = 4,862.32 : x
  2. Step 2: Convert to fraction form
    15,391.82/23,088.78 = 4,862.32/x
  3. Step 3: Cross multiply
    15,391.82x = 23,088.78 × 4,862.32
  4. Step 4: Simplify right side
    15,391.82x = 112,264,979.05
  5. Step 5: Solve for x
    x = 112,264,979.05/15,391.82
  6. Step 6: Final answer
    x = 7,293.81

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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.