Home / 13,221.08-19,792.75-8,527.23

Finding the Fourth Proportional to 13,221.08, 19,792.75 and 8,527.23

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Solution

The fourth proportional to 13,221.08, 19,792.75 and 8,527.23 is: 12,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221.08 : 19,792.75 = 8,527.23 : x
  2. Step 2: Convert to fraction form
    13,221.08/19,792.75 = 8,527.23/x
  3. Step 3: Cross multiply
    13,221.08x = 19,792.75 × 8,527.23
  4. Step 4: Simplify right side
    13,221.08x = 168,777,331.58
  5. Step 5: Solve for x
    x = 168,777,331.58/13,221.08
  6. Step 6: Final answer
    x = 12,765.77

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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.