Home / 16,939.89-23,376.99-9,386.22

Finding the Fourth Proportional to 16,939.89, 23,376.99 and 9,386.22

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Solution

The fourth proportional to 16,939.89, 23,376.99 and 9,386.22 is: 12,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.89 : 23,376.99 = 9,386.22 : x
  2. Step 2: Convert to fraction form
    16,939.89/23,376.99 = 9,386.22/x
  3. Step 3: Cross multiply
    16,939.89x = 23,376.99 × 9,386.22
  4. Step 4: Simplify right side
    16,939.89x = 219,421,571.08
  5. Step 5: Solve for x
    x = 219,421,571.08/16,939.89
  6. Step 6: Final answer
    x = 12,952.95

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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.