Home / 14,639.97-21,963.46-4,779.27

Finding the Fourth Proportional to 14,639.97, 21,963.46 and 4,779.27

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Solution

The fourth proportional to 14,639.97, 21,963.46 and 4,779.27 is: 7,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.97 : 21,963.46 = 4,779.27 : x
  2. Step 2: Convert to fraction form
    14,639.97/21,963.46 = 4,779.27/x
  3. Step 3: Cross multiply
    14,639.97x = 21,963.46 × 4,779.27
  4. Step 4: Simplify right side
    14,639.97x = 104,969,293.53
  5. Step 5: Solve for x
    x = 104,969,293.53/14,639.97
  6. Step 6: Final answer
    x = 7,170.05

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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.