Home / 13,754.37-18,996.66-9,270.39

Finding the Fourth Proportional to 13,754.37, 18,996.66 and 9,270.39

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Solution

The fourth proportional to 13,754.37, 18,996.66 and 9,270.39 is: 12,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.37 : 18,996.66 = 9,270.39 : x
  2. Step 2: Convert to fraction form
    13,754.37/18,996.66 = 9,270.39/x
  3. Step 3: Cross multiply
    13,754.37x = 18,996.66 × 9,270.39
  4. Step 4: Simplify right side
    13,754.37x = 176,106,446.90
  5. Step 5: Solve for x
    x = 176,106,446.90/13,754.37
  6. Step 6: Final answer
    x = 12,803.67

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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.