Home / 14,703.24-20,272.56-12,807.84

Finding the Fourth Proportional to 14,703.24, 20,272.56 and 12,807.84

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Solution

The fourth proportional to 14,703.24, 20,272.56 and 12,807.84 is: 17,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.24 : 20,272.56 = 12,807.84 : x
  2. Step 2: Convert to fraction form
    14,703.24/20,272.56 = 12,807.84/x
  3. Step 3: Cross multiply
    14,703.24x = 20,272.56 × 12,807.84
  4. Step 4: Simplify right side
    14,703.24x = 259,647,704.87
  5. Step 5: Solve for x
    x = 259,647,704.87/14,703.24
  6. Step 6: Final answer
    x = 17,659.22

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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.