Home / 20,284.52-30,429.35-6,960.11

Finding the Fourth Proportional to 20,284.52, 30,429.35 and 6,960.11

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Solution

The fourth proportional to 20,284.52, 30,429.35 and 6,960.11 is: 10,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.52 : 30,429.35 = 6,960.11 : x
  2. Step 2: Convert to fraction form
    20,284.52/30,429.35 = 6,960.11/x
  3. Step 3: Cross multiply
    20,284.52x = 30,429.35 × 6,960.11
  4. Step 4: Simplify right side
    20,284.52x = 211,791,588.43
  5. Step 5: Solve for x
    x = 211,791,588.43/20,284.52
  6. Step 6: Final answer
    x = 10,441.05

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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.