Home / 15,815.32-23,719.66-5,954.36

Finding the Fourth Proportional to 15,815.32, 23,719.66 and 5,954.36

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Solution

The fourth proportional to 15,815.32, 23,719.66 and 5,954.36 is: 8,930.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.32 : 23,719.66 = 5,954.36 : x
  2. Step 2: Convert to fraction form
    15,815.32/23,719.66 = 5,954.36/x
  3. Step 3: Cross multiply
    15,815.32x = 23,719.66 × 5,954.36
  4. Step 4: Simplify right side
    15,815.32x = 141,235,394.72
  5. Step 5: Solve for x
    x = 141,235,394.72/15,815.32
  6. Step 6: Final answer
    x = 8,930.29

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1.5x scale

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.