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Finding the Fourth Proportional to 14,092.44, 19,439.02 and 9,312.42

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Solution

The fourth proportional to 14,092.44, 19,439.02 and 9,312.42 is: 12,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.44 : 19,439.02 = 9,312.42 : x
  2. Step 2: Convert to fraction form
    14,092.44/19,439.02 = 9,312.42/x
  3. Step 3: Cross multiply
    14,092.44x = 19,439.02 × 9,312.42
  4. Step 4: Simplify right side
    14,092.44x = 181,024,318.63
  5. Step 5: Solve for x
    x = 181,024,318.63/14,092.44
  6. Step 6: Final answer
    x = 12,845.49

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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.