Home / 14,280.93-21,406.68-5,965.80

Finding the Fourth Proportional to 14,280.93, 21,406.68 and 5,965.80

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Solution

The fourth proportional to 14,280.93, 21,406.68 and 5,965.80 is: 8,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.93 : 21,406.68 = 5,965.80 : x
  2. Step 2: Convert to fraction form
    14,280.93/21,406.68 = 5,965.80/x
  3. Step 3: Cross multiply
    14,280.93x = 21,406.68 × 5,965.80
  4. Step 4: Simplify right side
    14,280.93x = 127,707,971.54
  5. Step 5: Solve for x
    x = 127,707,971.54/14,280.93
  6. Step 6: Final answer
    x = 8,942.55

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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.