Home / 20,284.47-30,429.26-6,953.85

Finding the Fourth Proportional to 20,284.47, 30,429.26 and 6,953.85

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Solution

The fourth proportional to 20,284.47, 30,429.26 and 6,953.85 is: 10,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.47 : 30,429.26 = 6,953.85 : x
  2. Step 2: Convert to fraction form
    20,284.47/30,429.26 = 6,953.85/x
  3. Step 3: Cross multiply
    20,284.47x = 30,429.26 × 6,953.85
  4. Step 4: Simplify right side
    20,284.47x = 211,600,322.74
  5. Step 5: Solve for x
    x = 211,600,322.74/20,284.47
  6. Step 6: Final answer
    x = 10,431.64

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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.