Home / 15,639.71-23,460.26-5,110.37

Finding the Fourth Proportional to 15,639.71, 23,460.26 and 5,110.37

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Solution

The fourth proportional to 15,639.71, 23,460.26 and 5,110.37 is: 7,665.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.71 : 23,460.26 = 5,110.37 : x
  2. Step 2: Convert to fraction form
    15,639.71/23,460.26 = 5,110.37/x
  3. Step 3: Cross multiply
    15,639.71x = 23,460.26 × 5,110.37
  4. Step 4: Simplify right side
    15,639.71x = 119,890,680.32
  5. Step 5: Solve for x
    x = 119,890,680.32/15,639.71
  6. Step 6: Final answer
    x = 7,665.79

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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.