Home / 17,121.17-23,628.43-10,405.49

Finding the Fourth Proportional to 17,121.17, 23,628.43 and 10,405.49

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Solution

The fourth proportional to 17,121.17, 23,628.43 and 10,405.49 is: 14,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.17 : 23,628.43 = 10,405.49 : x
  2. Step 2: Convert to fraction form
    17,121.17/23,628.43 = 10,405.49/x
  3. Step 3: Cross multiply
    17,121.17x = 23,628.43 × 10,405.49
  4. Step 4: Simplify right side
    17,121.17x = 245,865,340.05
  5. Step 5: Solve for x
    x = 245,865,340.05/17,121.17
  6. Step 6: Final answer
    x = 14,360.32

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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.