Home / 13,944.30-20,916.45-9,270.60

Finding the Fourth Proportional to 13,944.30, 20,916.45 and 9,270.60

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Solution

The fourth proportional to 13,944.30, 20,916.45 and 9,270.60 is: 13,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.30 : 20,916.45 = 9,270.60 : x
  2. Step 2: Convert to fraction form
    13,944.30/20,916.45 = 9,270.60/x
  3. Step 3: Cross multiply
    13,944.30x = 20,916.45 × 9,270.60
  4. Step 4: Simplify right side
    13,944.30x = 193,908,041.37
  5. Step 5: Solve for x
    x = 193,908,041.37/13,944.30
  6. Step 6: Final answer
    x = 13,905.90

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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.