Home / 20,546.06-28,353.60-11,114.63

Finding the Fourth Proportional to 20,546.06, 28,353.60 and 11,114.63

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Solution

The fourth proportional to 20,546.06, 28,353.60 and 11,114.63 is: 15,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.06 : 28,353.60 = 11,114.63 : x
  2. Step 2: Convert to fraction form
    20,546.06/28,353.60 = 11,114.63/x
  3. Step 3: Cross multiply
    20,546.06x = 28,353.60 × 11,114.63
  4. Step 4: Simplify right side
    20,546.06x = 315,139,631.40
  5. Step 5: Solve for x
    x = 315,139,631.40/20,546.06
  6. Step 6: Final answer
    x = 15,338.20

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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.