Home / 13,929.96-20,895.03-3,541.74

Finding the Fourth Proportional to 13,929.96, 20,895.03 and 3,541.74

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Solution

The fourth proportional to 13,929.96, 20,895.03 and 3,541.74 is: 5,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.96 : 20,895.03 = 3,541.74 : x
  2. Step 2: Convert to fraction form
    13,929.96/20,895.03 = 3,541.74/x
  3. Step 3: Cross multiply
    13,929.96x = 20,895.03 × 3,541.74
  4. Step 4: Simplify right side
    13,929.96x = 74,004,763.55
  5. Step 5: Solve for x
    x = 74,004,763.55/13,929.96
  6. Step 6: Final answer
    x = 5,312.63

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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.