Home / 16,748.43-23,112.93-9,195.09

Finding the Fourth Proportional to 16,748.43, 23,112.93 and 9,195.09

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Solution

The fourth proportional to 16,748.43, 23,112.93 and 9,195.09 is: 12,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,748.43 : 23,112.93 = 9,195.09 : x
  2. Step 2: Convert to fraction form
    16,748.43/23,112.93 = 9,195.09/x
  3. Step 3: Cross multiply
    16,748.43x = 23,112.93 × 9,195.09
  4. Step 4: Simplify right side
    16,748.43x = 212,525,471.51
  5. Step 5: Solve for x
    x = 212,525,471.51/16,748.43
  6. Step 6: Final answer
    x = 12,689.28

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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.