Home / 14,064.66-21,086.47-8,516.65

Finding the Fourth Proportional to 14,064.66, 21,086.47 and 8,516.65

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Solution

The fourth proportional to 14,064.66, 21,086.47 and 8,516.65 is: 12,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.66 : 21,086.47 = 8,516.65 : x
  2. Step 2: Convert to fraction form
    14,064.66/21,086.47 = 8,516.65/x
  3. Step 3: Cross multiply
    14,064.66x = 21,086.47 × 8,516.65
  4. Step 4: Simplify right side
    14,064.66x = 179,586,084.73
  5. Step 5: Solve for x
    x = 179,586,084.73/14,064.66
  6. Step 6: Final answer
    x = 12,768.60

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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.