Home / 16,949.90-23,389.31-9,395.87

Finding the Fourth Proportional to 16,949.90, 23,389.31 and 9,395.87

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Solution

The fourth proportional to 16,949.90, 23,389.31 and 9,395.87 is: 12,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,949.90 : 23,389.31 = 9,395.87 : x
  2. Step 2: Convert to fraction form
    16,949.90/23,389.31 = 9,395.87/x
  3. Step 3: Cross multiply
    16,949.90x = 23,389.31 × 9,395.87
  4. Step 4: Simplify right side
    16,949.90x = 219,762,822.69
  5. Step 5: Solve for x
    x = 219,762,822.69/16,949.90
  6. Step 6: Final answer
    x = 12,965.43

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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.