Home / 15,019.44-20,704.86-10,529.64

Finding the Fourth Proportional to 15,019.44, 20,704.86 and 10,529.64

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Solution

The fourth proportional to 15,019.44, 20,704.86 and 10,529.64 is: 14,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.44 : 20,704.86 = 10,529.64 : x
  2. Step 2: Convert to fraction form
    15,019.44/20,704.86 = 10,529.64/x
  3. Step 3: Cross multiply
    15,019.44x = 20,704.86 × 10,529.64
  4. Step 4: Simplify right side
    15,019.44x = 218,014,722.05
  5. Step 5: Solve for x
    x = 218,014,722.05/15,019.44
  6. Step 6: Final answer
    x = 14,515.50

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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.