Home / 18,717.22-25,829.38-10,219.51

Finding the Fourth Proportional to 18,717.22, 25,829.38 and 10,219.51

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Solution

The fourth proportional to 18,717.22, 25,829.38 and 10,219.51 is: 14,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.22 : 25,829.38 = 10,219.51 : x
  2. Step 2: Convert to fraction form
    18,717.22/25,829.38 = 10,219.51/x
  3. Step 3: Cross multiply
    18,717.22x = 25,829.38 × 10,219.51
  4. Step 4: Simplify right side
    18,717.22x = 263,963,607.20
  5. Step 5: Solve for x
    x = 263,963,607.20/18,717.22
  6. Step 6: Final answer
    x = 14,102.71

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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.