Home / 14,940.18-20,618.06-8,226.45

Finding the Fourth Proportional to 14,940.18, 20,618.06 and 8,226.45

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Solution

The fourth proportional to 14,940.18, 20,618.06 and 8,226.45 is: 11,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.18 : 20,618.06 = 8,226.45 : x
  2. Step 2: Convert to fraction form
    14,940.18/20,618.06 = 8,226.45/x
  3. Step 3: Cross multiply
    14,940.18x = 20,618.06 × 8,226.45
  4. Step 4: Simplify right side
    14,940.18x = 169,613,439.69
  5. Step 5: Solve for x
    x = 169,613,439.69/14,940.18
  6. Step 6: Final answer
    x = 11,352.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.