Home / 18,759.83-28,139.74-6,277.52

Finding the Fourth Proportional to 18,759.83, 28,139.74 and 6,277.52

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Solution

The fourth proportional to 18,759.83, 28,139.74 and 6,277.52 is: 9,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.83 : 28,139.74 = 6,277.52 : x
  2. Step 2: Convert to fraction form
    18,759.83/28,139.74 = 6,277.52/x
  3. Step 3: Cross multiply
    18,759.83x = 28,139.74 × 6,277.52
  4. Step 4: Simplify right side
    18,759.83x = 176,647,835.30
  5. Step 5: Solve for x
    x = 176,647,835.30/18,759.83
  6. Step 6: Final answer
    x = 9,416.28

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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.