Home / 22,719.75-31,354.68-13,768.03

Finding the Fourth Proportional to 22,719.75, 31,354.68 and 13,768.03

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Solution

The fourth proportional to 22,719.75, 31,354.68 and 13,768.03 is: 19,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,719.75 : 31,354.68 = 13,768.03 : x
  2. Step 2: Convert to fraction form
    22,719.75/31,354.68 = 13,768.03/x
  3. Step 3: Cross multiply
    22,719.75x = 31,354.68 × 13,768.03
  4. Step 4: Simplify right side
    22,719.75x = 431,692,174.88
  5. Step 5: Solve for x
    x = 431,692,174.88/22,719.75
  6. Step 6: Final answer
    x = 19,000.74

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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.