Home / 16,943.41-23,381.96-9,389.87

Finding the Fourth Proportional to 16,943.41, 23,381.96 and 9,389.87

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Solution

The fourth proportional to 16,943.41, 23,381.96 and 9,389.87 is: 12,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.41 : 23,381.96 = 9,389.87 : x
  2. Step 2: Convert to fraction form
    16,943.41/23,381.96 = 9,389.87/x
  3. Step 3: Cross multiply
    16,943.41x = 23,381.96 × 9,389.87
  4. Step 4: Simplify right side
    16,943.41x = 219,553,564.75
  5. Step 5: Solve for x
    x = 219,553,564.75/16,943.41
  6. Step 6: Final answer
    x = 12,958.05

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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.