Home / 18,981.64-26,203.50-11,022.33

Finding the Fourth Proportional to 18,981.64, 26,203.50 and 11,022.33

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Solution

The fourth proportional to 18,981.64, 26,203.50 and 11,022.33 is: 15,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.64 : 26,203.50 = 11,022.33 : x
  2. Step 2: Convert to fraction form
    18,981.64/26,203.50 = 11,022.33/x
  3. Step 3: Cross multiply
    18,981.64x = 26,203.50 × 11,022.33
  4. Step 4: Simplify right side
    18,981.64x = 288,823,575.02
  5. Step 5: Solve for x
    x = 288,823,575.02/18,981.64
  6. Step 6: Final answer
    x = 15,215.94

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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.