Home / 13,370.92-20,059.08-9,212.92

Finding the Fourth Proportional to 13,370.92, 20,059.08 and 9,212.92

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Solution

The fourth proportional to 13,370.92, 20,059.08 and 9,212.92 is: 13,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.92 : 20,059.08 = 9,212.92 : x
  2. Step 2: Convert to fraction form
    13,370.92/20,059.08 = 9,212.92/x
  3. Step 3: Cross multiply
    13,370.92x = 20,059.08 × 9,212.92
  4. Step 4: Simplify right side
    13,370.92x = 184,802,699.31
  5. Step 5: Solve for x
    x = 184,802,699.31/13,370.92
  6. Step 6: Final answer
    x = 13,821.24

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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.