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Finding the Fourth Proportional to 13,369.65, 20,054.05 and 6,354.71

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Solution

The fourth proportional to 13,369.65, 20,054.05 and 6,354.71 is: 9,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.65 : 20,054.05 = 6,354.71 : x
  2. Step 2: Convert to fraction form
    13,369.65/20,054.05 = 6,354.71/x
  3. Step 3: Cross multiply
    13,369.65x = 20,054.05 × 6,354.71
  4. Step 4: Simplify right side
    13,369.65x = 127,437,672.08
  5. Step 5: Solve for x
    x = 127,437,672.08/13,369.65
  6. Step 6: Final answer
    x = 9,531.86

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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.