Home / 14,947.23-20,622.52-8,485.81

Finding the Fourth Proportional to 14,947.23, 20,622.52 and 8,485.81

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Solution

The fourth proportional to 14,947.23, 20,622.52 and 8,485.81 is: 11,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.23 : 20,622.52 = 8,485.81 : x
  2. Step 2: Convert to fraction form
    14,947.23/20,622.52 = 8,485.81/x
  3. Step 3: Cross multiply
    14,947.23x = 20,622.52 × 8,485.81
  4. Step 4: Simplify right side
    14,947.23x = 174,998,786.44
  5. Step 5: Solve for x
    x = 174,998,786.44/14,947.23
  6. Step 6: Final answer
    x = 11,707.77

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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.