Home / 20,713.19-28,584.53-11,760.93

Finding the Fourth Proportional to 20,713.19, 28,584.53 and 11,760.93

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Solution

The fourth proportional to 20,713.19, 28,584.53 and 11,760.93 is: 16,230.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.19 : 28,584.53 = 11,760.93 : x
  2. Step 2: Convert to fraction form
    20,713.19/28,584.53 = 11,760.93/x
  3. Step 3: Cross multiply
    20,713.19x = 28,584.53 × 11,760.93
  4. Step 4: Simplify right side
    20,713.19x = 336,180,641.71
  5. Step 5: Solve for x
    x = 336,180,641.71/20,713.19
  6. Step 6: Final answer
    x = 16,230.27

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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.