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Finding the Fourth Proportional to 13,369.66, 20,054.04 and 6,354.72

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Solution

The fourth proportional to 13,369.66, 20,054.04 and 6,354.72 is: 9,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.66 : 20,054.04 = 6,354.72 : x
  2. Step 2: Convert to fraction form
    13,369.66/20,054.04 = 6,354.72/x
  3. Step 3: Cross multiply
    13,369.66x = 20,054.04 × 6,354.72
  4. Step 4: Simplify right side
    13,369.66x = 127,437,809.07
  5. Step 5: Solve for x
    x = 127,437,809.07/13,369.66
  6. Step 6: Final answer
    x = 9,531.87

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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.