Home / 18,313.76-25,265.84-11,947.83

Finding the Fourth Proportional to 18,313.76, 25,265.84 and 11,947.83

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Solution

The fourth proportional to 18,313.76, 25,265.84 and 11,947.83 is: 16,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.76 : 25,265.84 = 11,947.83 : x
  2. Step 2: Convert to fraction form
    18,313.76/25,265.84 = 11,947.83/x
  3. Step 3: Cross multiply
    18,313.76x = 25,265.84 × 11,947.83
  4. Step 4: Simplify right side
    18,313.76x = 301,871,901.39
  5. Step 5: Solve for x
    x = 301,871,901.39/18,313.76
  6. Step 6: Final answer
    x = 16,483.34

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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.