Home / 18,963.54-26,168.13-10,579.86

Finding the Fourth Proportional to 18,963.54, 26,168.13 and 10,579.86

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Solution

The fourth proportional to 18,963.54, 26,168.13 and 10,579.86 is: 14,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963.54 : 26,168.13 = 10,579.86 : x
  2. Step 2: Convert to fraction form
    18,963.54/26,168.13 = 10,579.86/x
  3. Step 3: Cross multiply
    18,963.54x = 26,168.13 × 10,579.86
  4. Step 4: Simplify right side
    18,963.54x = 276,855,151.86
  5. Step 5: Solve for x
    x = 276,855,151.86/18,963.54
  6. Step 6: Final answer
    x = 14,599.34

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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.