Home / 14,410.85-21,616.28-3,880.89

Finding the Fourth Proportional to 14,410.85, 21,616.28 and 3,880.89

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Solution

The fourth proportional to 14,410.85, 21,616.28 and 3,880.89 is: 5,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.85 : 21,616.28 = 3,880.89 : x
  2. Step 2: Convert to fraction form
    14,410.85/21,616.28 = 3,880.89/x
  3. Step 3: Cross multiply
    14,410.85x = 21,616.28 × 3,880.89
  4. Step 4: Simplify right side
    14,410.85x = 83,890,385.48
  5. Step 5: Solve for x
    x = 83,890,385.48/14,410.85
  6. Step 6: Final answer
    x = 5,821.34

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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.