Home / 15,523.88-23,288.24-5,138.06

Finding the Fourth Proportional to 15,523.88, 23,288.24 and 5,138.06

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Solution

The fourth proportional to 15,523.88, 23,288.24 and 5,138.06 is: 7,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.88 : 23,288.24 = 5,138.06 : x
  2. Step 2: Convert to fraction form
    15,523.88/23,288.24 = 5,138.06/x
  3. Step 3: Cross multiply
    15,523.88x = 23,288.24 × 5,138.06
  4. Step 4: Simplify right side
    15,523.88x = 119,656,270.82
  5. Step 5: Solve for x
    x = 119,656,270.82/15,523.88
  6. Step 6: Final answer
    x = 7,707.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.