Home / 10,257.95-14,142.25-7,694.81

Finding the Fourth Proportional to 10,257.95, 14,142.25 and 7,694.81

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Solution

The fourth proportional to 10,257.95, 14,142.25 and 7,694.81 is: 10,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.95 : 14,142.25 = 7,694.81 : x
  2. Step 2: Convert to fraction form
    10,257.95/14,142.25 = 7,694.81/x
  3. Step 3: Cross multiply
    10,257.95x = 14,142.25 × 7,694.81
  4. Step 4: Simplify right side
    10,257.95x = 108,821,865.63
  5. Step 5: Solve for x
    x = 108,821,865.63/10,257.95
  6. Step 6: Final answer
    x = 10,608.54

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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.