Home / 16,398.82-22,630.28-9,325.26

Finding the Fourth Proportional to 16,398.82, 22,630.28 and 9,325.26

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Solution

The fourth proportional to 16,398.82, 22,630.28 and 9,325.26 is: 12,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,398.82 : 22,630.28 = 9,325.26 : x
  2. Step 2: Convert to fraction form
    16,398.82/22,630.28 = 9,325.26/x
  3. Step 3: Cross multiply
    16,398.82x = 22,630.28 × 9,325.26
  4. Step 4: Simplify right side
    16,398.82x = 211,033,244.87
  5. Step 5: Solve for x
    x = 211,033,244.87/16,398.82
  6. Step 6: Final answer
    x = 12,868.81

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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.