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Finding the Fourth Proportional to 16,124.34, 22,249.88 and 9,051.54

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Solution

The fourth proportional to 16,124.34, 22,249.88 and 9,051.54 is: 12,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,124.34 : 22,249.88 = 9,051.54 : x
  2. Step 2: Convert to fraction form
    16,124.34/22,249.88 = 9,051.54/x
  3. Step 3: Cross multiply
    16,124.34x = 22,249.88 × 9,051.54
  4. Step 4: Simplify right side
    16,124.34x = 201,395,678.82
  5. Step 5: Solve for x
    x = 201,395,678.82/16,124.34
  6. Step 6: Final answer
    x = 12,490.17

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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.