Home / 14,289.75-21,437.87-5,055.75

Finding the Fourth Proportional to 14,289.75, 21,437.87 and 5,055.75

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Solution

The fourth proportional to 14,289.75, 21,437.87 and 5,055.75 is: 7,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.75 : 21,437.87 = 5,055.75 : x
  2. Step 2: Convert to fraction form
    14,289.75/21,437.87 = 5,055.75/x
  3. Step 3: Cross multiply
    14,289.75x = 21,437.87 × 5,055.75
  4. Step 4: Simplify right side
    14,289.75x = 108,384,485.97
  5. Step 5: Solve for x
    x = 108,384,485.97/14,289.75
  6. Step 6: Final answer
    x = 7,584.77

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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.