Home / 14,145.39-21,217.95-8,600.27

Finding the Fourth Proportional to 14,145.39, 21,217.95 and 8,600.27

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Solution

The fourth proportional to 14,145.39, 21,217.95 and 8,600.27 is: 12,900.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.39 : 21,217.95 = 8,600.27 : x
  2. Step 2: Convert to fraction form
    14,145.39/21,217.95 = 8,600.27/x
  3. Step 3: Cross multiply
    14,145.39x = 21,217.95 × 8,600.27
  4. Step 4: Simplify right side
    14,145.39x = 182,479,992.76
  5. Step 5: Solve for x
    x = 182,479,992.76/14,145.39
  6. Step 6: Final answer
    x = 12,900.32

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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.