Home / 18,924.08-26,113.24-10,968.80

Finding the Fourth Proportional to 18,924.08, 26,113.24 and 10,968.80

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Solution

The fourth proportional to 18,924.08, 26,113.24 and 10,968.80 is: 15,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.08 : 26,113.24 = 10,968.80 : x
  2. Step 2: Convert to fraction form
    18,924.08/26,113.24 = 10,968.80/x
  3. Step 3: Cross multiply
    18,924.08x = 26,113.24 × 10,968.80
  4. Step 4: Simplify right side
    18,924.08x = 286,430,906.91
  5. Step 5: Solve for x
    x = 286,430,906.91/18,924.08
  6. Step 6: Final answer
    x = 15,135.79

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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.