Home / 14,263.78-21,399.60-5,947.70

Finding the Fourth Proportional to 14,263.78, 21,399.60 and 5,947.70

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Solution

The fourth proportional to 14,263.78, 21,399.60 and 5,947.70 is: 8,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.78 : 21,399.60 = 5,947.70 : x
  2. Step 2: Convert to fraction form
    14,263.78/21,399.60 = 5,947.70/x
  3. Step 3: Cross multiply
    14,263.78x = 21,399.60 × 5,947.70
  4. Step 4: Simplify right side
    14,263.78x = 127,278,400.92
  5. Step 5: Solve for x
    x = 127,278,400.92/14,263.78
  6. Step 6: Final answer
    x = 8,923.19

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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.