Home / 20,584.36-28,406.04-11,631.67

Finding the Fourth Proportional to 20,584.36, 28,406.04 and 11,631.67

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Solution

The fourth proportional to 20,584.36, 28,406.04 and 11,631.67 is: 16,051.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.36 : 28,406.04 = 11,631.67 : x
  2. Step 2: Convert to fraction form
    20,584.36/28,406.04 = 11,631.67/x
  3. Step 3: Cross multiply
    20,584.36x = 28,406.04 × 11,631.67
  4. Step 4: Simplify right side
    20,584.36x = 330,409,541.26
  5. Step 5: Solve for x
    x = 330,409,541.26/20,584.36
  6. Step 6: Final answer
    x = 16,051.48

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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.