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Finding the Fourth Proportional to 16,228.05, 22,394.88 and 9,058.65

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Solution

The fourth proportional to 16,228.05, 22,394.88 and 9,058.65 is: 12,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,228.05 : 22,394.88 = 9,058.65 : x
  2. Step 2: Convert to fraction form
    16,228.05/22,394.88 = 9,058.65/x
  3. Step 3: Cross multiply
    16,228.05x = 22,394.88 × 9,058.65
  4. Step 4: Simplify right side
    16,228.05x = 202,867,379.71
  5. Step 5: Solve for x
    x = 202,867,379.71/16,228.05
  6. Step 6: Final answer
    x = 12,501.03

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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.