Home / 20,358.07-30,528.88-8,504.06

Finding the Fourth Proportional to 20,358.07, 30,528.88 and 8,504.06

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Solution

The fourth proportional to 20,358.07, 30,528.88 and 8,504.06 is: 12,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358.07 : 30,528.88 = 8,504.06 : x
  2. Step 2: Convert to fraction form
    20,358.07/30,528.88 = 8,504.06/x
  3. Step 3: Cross multiply
    20,358.07x = 30,528.88 × 8,504.06
  4. Step 4: Simplify right side
    20,358.07x = 259,619,253.35
  5. Step 5: Solve for x
    x = 259,619,253.35/20,358.07
  6. Step 6: Final answer
    x = 12,752.65

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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.