Home / 16,943.22-23,381.55-9,389.07

Finding the Fourth Proportional to 16,943.22, 23,381.55 and 9,389.07

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Solution

The fourth proportional to 16,943.22, 23,381.55 and 9,389.07 is: 12,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.22 : 23,381.55 = 9,389.07 : x
  2. Step 2: Convert to fraction form
    16,943.22/23,381.55 = 9,389.07/x
  3. Step 3: Cross multiply
    16,943.22x = 23,381.55 × 9,389.07
  4. Step 4: Simplify right side
    16,943.22x = 219,531,009.66
  5. Step 5: Solve for x
    x = 219,531,009.66/16,943.22
  6. Step 6: Final answer
    x = 12,956.86

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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.