Home / 13,947.11-20,896.06-7,358.77

Finding the Fourth Proportional to 13,947.11, 20,896.06 and 7,358.77

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Solution

The fourth proportional to 13,947.11, 20,896.06 and 7,358.77 is: 11,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.11 : 20,896.06 = 7,358.77 : x
  2. Step 2: Convert to fraction form
    13,947.11/20,896.06 = 7,358.77/x
  3. Step 3: Cross multiply
    13,947.11x = 20,896.06 × 7,358.77
  4. Step 4: Simplify right side
    13,947.11x = 153,769,299.45
  5. Step 5: Solve for x
    x = 153,769,299.45/13,947.11
  6. Step 6: Final answer
    x = 11,025.17

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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.