Home / 20,585.26-30,883.02-9,499.68

Finding the Fourth Proportional to 20,585.26, 30,883.02 and 9,499.68

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Solution

The fourth proportional to 20,585.26, 30,883.02 and 9,499.68 is: 14,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,585.26 : 30,883.02 = 9,499.68 : x
  2. Step 2: Convert to fraction form
    20,585.26/30,883.02 = 9,499.68/x
  3. Step 3: Cross multiply
    20,585.26x = 30,883.02 × 9,499.68
  4. Step 4: Simplify right side
    20,585.26x = 293,378,807.43
  5. Step 5: Solve for x
    x = 293,378,807.43/20,585.26
  6. Step 6: Final answer
    x = 14,251.89

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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.