Home / 16,943.32-23,381.88-9,389.86

Finding the Fourth Proportional to 16,943.32, 23,381.88 and 9,389.86

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Solution

The fourth proportional to 16,943.32, 23,381.88 and 9,389.86 is: 12,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.32 : 23,381.88 = 9,389.86 : x
  2. Step 2: Convert to fraction form
    16,943.32/23,381.88 = 9,389.86/x
  3. Step 3: Cross multiply
    16,943.32x = 23,381.88 × 9,389.86
  4. Step 4: Simplify right side
    16,943.32x = 219,552,579.74
  5. Step 5: Solve for x
    x = 219,552,579.74/16,943.32
  6. Step 6: Final answer
    x = 12,958.06

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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.