Home / 13,800.16-20,701.59-4,440.34

Finding the Fourth Proportional to 13,800.16, 20,701.59 and 4,440.34

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Solution

The fourth proportional to 13,800.16, 20,701.59 and 4,440.34 is: 6,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.16 : 20,701.59 = 4,440.34 : x
  2. Step 2: Convert to fraction form
    13,800.16/20,701.59 = 4,440.34/x
  3. Step 3: Cross multiply
    13,800.16x = 20,701.59 × 4,440.34
  4. Step 4: Simplify right side
    13,800.16x = 91,922,098.14
  5. Step 5: Solve for x
    x = 91,922,098.14/13,800.16
  6. Step 6: Final answer
    x = 6,660.94

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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.