Home / 18,922.03-26,122.88-11,370.20

Finding the Fourth Proportional to 18,922.03, 26,122.88 and 11,370.20

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Solution

The fourth proportional to 18,922.03, 26,122.88 and 11,370.20 is: 15,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.03 : 26,122.88 = 11,370.20 : x
  2. Step 2: Convert to fraction form
    18,922.03/26,122.88 = 11,370.20/x
  3. Step 3: Cross multiply
    18,922.03x = 26,122.88 × 11,370.20
  4. Step 4: Simplify right side
    18,922.03x = 297,022,267.99
  5. Step 5: Solve for x
    x = 297,022,267.99/18,922.03
  6. Step 6: Final answer
    x = 15,697.17

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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.