Home / 14,865.36-22,296.18-8,628.78

Finding the Fourth Proportional to 14,865.36, 22,296.18 and 8,628.78

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Solution

The fourth proportional to 14,865.36, 22,296.18 and 8,628.78 is: 12,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.36 : 22,296.18 = 8,628.78 : x
  2. Step 2: Convert to fraction form
    14,865.36/22,296.18 = 8,628.78/x
  3. Step 3: Cross multiply
    14,865.36x = 22,296.18 × 8,628.78
  4. Step 4: Simplify right side
    14,865.36x = 192,388,832.06
  5. Step 5: Solve for x
    x = 192,388,832.06/14,865.36
  6. Step 6: Final answer
    x = 12,942.09

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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.