Home / 13,475.51-20,215.52-6,079.81

Finding the Fourth Proportional to 13,475.51, 20,215.52 and 6,079.81

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Solution

The fourth proportional to 13,475.51, 20,215.52 and 6,079.81 is: 9,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.51 : 20,215.52 = 6,079.81 : x
  2. Step 2: Convert to fraction form
    13,475.51/20,215.52 = 6,079.81/x
  3. Step 3: Cross multiply
    13,475.51x = 20,215.52 × 6,079.81
  4. Step 4: Simplify right side
    13,475.51x = 122,906,520.65
  5. Step 5: Solve for x
    x = 122,906,520.65/13,475.51
  6. Step 6: Final answer
    x = 9,120.73

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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.