Home / 15,686.36-23,524.56-5,153.94

Finding the Fourth Proportional to 15,686.36, 23,524.56 and 5,153.94

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Solution

The fourth proportional to 15,686.36, 23,524.56 and 5,153.94 is: 7,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686.36 : 23,524.56 = 5,153.94 : x
  2. Step 2: Convert to fraction form
    15,686.36/23,524.56 = 5,153.94/x
  3. Step 3: Cross multiply
    15,686.36x = 23,524.56 × 5,153.94
  4. Step 4: Simplify right side
    15,686.36x = 121,244,170.77
  5. Step 5: Solve for x
    x = 121,244,170.77/15,686.36
  6. Step 6: Final answer
    x = 7,729.27

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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.