Home / 14,189.74-21,284.61-3,801.76

Finding the Fourth Proportional to 14,189.74, 21,284.61 and 3,801.76

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Solution

The fourth proportional to 14,189.74, 21,284.61 and 3,801.76 is: 5,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.74 : 21,284.61 = 3,801.76 : x
  2. Step 2: Convert to fraction form
    14,189.74/21,284.61 = 3,801.76/x
  3. Step 3: Cross multiply
    14,189.74x = 21,284.61 × 3,801.76
  4. Step 4: Simplify right side
    14,189.74x = 80,918,978.91
  5. Step 5: Solve for x
    x = 80,918,978.91/14,189.74
  6. Step 6: Final answer
    x = 5,702.64

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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.