Home / 19,007.06-28,489.80-6,515.24

Finding the Fourth Proportional to 19,007.06, 28,489.80 and 6,515.24

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Solution

The fourth proportional to 19,007.06, 28,489.80 and 6,515.24 is: 9,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007.06 : 28,489.80 = 6,515.24 : x
  2. Step 2: Convert to fraction form
    19,007.06/28,489.80 = 6,515.24/x
  3. Step 3: Cross multiply
    19,007.06x = 28,489.80 × 6,515.24
  4. Step 4: Simplify right side
    19,007.06x = 185,617,884.55
  5. Step 5: Solve for x
    x = 185,617,884.55/19,007.06
  6. Step 6: Final answer
    x = 9,765.73

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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.