Home / 15,964.47-23,967.86-13,639.41

Finding the Fourth Proportional to 15,964.47, 23,967.86 and 13,639.41

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Solution

The fourth proportional to 15,964.47, 23,967.86 and 13,639.41 is: 20,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.47 : 23,967.86 = 13,639.41 : x
  2. Step 2: Convert to fraction form
    15,964.47/23,967.86 = 13,639.41/x
  3. Step 3: Cross multiply
    15,964.47x = 23,967.86 × 13,639.41
  4. Step 4: Simplify right side
    15,964.47x = 326,907,401.17
  5. Step 5: Solve for x
    x = 326,907,401.17/15,964.47
  6. Step 6: Final answer
    x = 20,477.18

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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.