Home / 17,221.34-23,765.68-9,667.22

Finding the Fourth Proportional to 17,221.34, 23,765.68 and 9,667.22

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Solution

The fourth proportional to 17,221.34, 23,765.68 and 9,667.22 is: 13,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.34 : 23,765.68 = 9,667.22 : x
  2. Step 2: Convert to fraction form
    17,221.34/23,765.68 = 9,667.22/x
  3. Step 3: Cross multiply
    17,221.34x = 23,765.68 × 9,667.22
  4. Step 4: Simplify right side
    17,221.34x = 229,748,184.77
  5. Step 5: Solve for x
    x = 229,748,184.77/17,221.34
  6. Step 6: Final answer
    x = 13,340.90

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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.