Home / 14,639.15-21,962.83-5,880.21

Finding the Fourth Proportional to 14,639.15, 21,962.83 and 5,880.21

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Solution

The fourth proportional to 14,639.15, 21,962.83 and 5,880.21 is: 8,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.15 : 21,962.83 = 5,880.21 : x
  2. Step 2: Convert to fraction form
    14,639.15/21,962.83 = 5,880.21/x
  3. Step 3: Cross multiply
    14,639.15x = 21,962.83 × 5,880.21
  4. Step 4: Simplify right side
    14,639.15x = 129,146,052.59
  5. Step 5: Solve for x
    x = 129,146,052.59/14,639.15
  6. Step 6: Final answer
    x = 8,821.96

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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.