Home / 21,402.45-32,103.72-11,546.37

Finding the Fourth Proportional to 21,402.45, 32,103.72 and 11,546.37

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Solution

The fourth proportional to 21,402.45, 32,103.72 and 11,546.37 is: 17,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.45 : 32,103.72 = 11,546.37 : x
  2. Step 2: Convert to fraction form
    21,402.45/32,103.72 = 11,546.37/x
  3. Step 3: Cross multiply
    21,402.45x = 32,103.72 × 11,546.37
  4. Step 4: Simplify right side
    21,402.45x = 370,681,429.50
  5. Step 5: Solve for x
    x = 370,681,429.50/21,402.45
  6. Step 6: Final answer
    x = 17,319.58

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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.