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Finding the Fourth Proportional to 14,441.71, 19,930.89 and 8,775.15

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Solution

The fourth proportional to 14,441.71, 19,930.89 and 8,775.15 is: 12,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,441.71 : 19,930.89 = 8,775.15 : x
  2. Step 2: Convert to fraction form
    14,441.71/19,930.89 = 8,775.15/x
  3. Step 3: Cross multiply
    14,441.71x = 19,930.89 × 8,775.15
  4. Step 4: Simplify right side
    14,441.71x = 174,896,549.38
  5. Step 5: Solve for x
    x = 174,896,549.38/14,441.71
  6. Step 6: Final answer
    x = 12,110.52

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Double scale
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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.