Home / 14,043.25-21,059.71-5,718.75

Finding the Fourth Proportional to 14,043.25, 21,059.71 and 5,718.75

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Solution

The fourth proportional to 14,043.25, 21,059.71 and 5,718.75 is: 8,576.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.25 : 21,059.71 = 5,718.75 : x
  2. Step 2: Convert to fraction form
    14,043.25/21,059.71 = 5,718.75/x
  3. Step 3: Cross multiply
    14,043.25x = 21,059.71 × 5,718.75
  4. Step 4: Simplify right side
    14,043.25x = 120,435,155.46
  5. Step 5: Solve for x
    x = 120,435,155.46/14,043.25
  6. Step 6: Final answer
    x = 8,576.02

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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.