Home / 18,981.52-26,200.50-11,022.16

Finding the Fourth Proportional to 18,981.52, 26,200.50 and 11,022.16

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Solution

The fourth proportional to 18,981.52, 26,200.50 and 11,022.16 is: 15,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.52 : 26,200.50 = 11,022.16 : x
  2. Step 2: Convert to fraction form
    18,981.52/26,200.50 = 11,022.16/x
  3. Step 3: Cross multiply
    18,981.52x = 26,200.50 × 11,022.16
  4. Step 4: Simplify right side
    18,981.52x = 288,786,103.08
  5. Step 5: Solve for x
    x = 288,786,103.08/18,981.52
  6. Step 6: Final answer
    x = 15,214.07

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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.