Home / 20,319.53-30,468.35-8,465.99

Finding the Fourth Proportional to 20,319.53, 30,468.35 and 8,465.99

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Solution

The fourth proportional to 20,319.53, 30,468.35 and 8,465.99 is: 12,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,319.53 : 30,468.35 = 8,465.99 : x
  2. Step 2: Convert to fraction form
    20,319.53/30,468.35 = 8,465.99/x
  3. Step 3: Cross multiply
    20,319.53x = 30,468.35 × 8,465.99
  4. Step 4: Simplify right side
    20,319.53x = 257,944,615.24
  5. Step 5: Solve for x
    x = 257,944,615.24/20,319.53
  6. Step 6: Final answer
    x = 12,694.42

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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.