Home / 14,194.71-21,289.80-5,427.66

Finding the Fourth Proportional to 14,194.71, 21,289.80 and 5,427.66

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Solution

The fourth proportional to 14,194.71, 21,289.80 and 5,427.66 is: 8,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.71 : 21,289.80 = 5,427.66 : x
  2. Step 2: Convert to fraction form
    14,194.71/21,289.80 = 5,427.66/x
  3. Step 3: Cross multiply
    14,194.71x = 21,289.80 × 5,427.66
  4. Step 4: Simplify right side
    14,194.71x = 115,553,795.87
  5. Step 5: Solve for x
    x = 115,553,795.87/14,194.71
  6. Step 6: Final answer
    x = 8,140.62

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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.