Home / 13,405.37-20,017.76-10,944.99

Finding the Fourth Proportional to 13,405.37, 20,017.76 and 10,944.99

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Solution

The fourth proportional to 13,405.37, 20,017.76 and 10,944.99 is: 16,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405.37 : 20,017.76 = 10,944.99 : x
  2. Step 2: Convert to fraction form
    13,405.37/20,017.76 = 10,944.99/x
  3. Step 3: Cross multiply
    13,405.37x = 20,017.76 × 10,944.99
  4. Step 4: Simplify right side
    13,405.37x = 219,094,128.30
  5. Step 5: Solve for x
    x = 219,094,128.30/13,405.37
  6. Step 6: Final answer
    x = 16,343.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.