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Finding the Fourth Proportional to 13,335.94, 19,919.94 and 9,794.62

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Solution

The fourth proportional to 13,335.94, 19,919.94 and 9,794.62 is: 14,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.94 : 19,919.94 = 9,794.62 : x
  2. Step 2: Convert to fraction form
    13,335.94/19,919.94 = 9,794.62/x
  3. Step 3: Cross multiply
    13,335.94x = 19,919.94 × 9,794.62
  4. Step 4: Simplify right side
    13,335.94x = 195,108,242.72
  5. Step 5: Solve for x
    x = 195,108,242.72/13,335.94
  6. Step 6: Final answer
    x = 14,630.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.