Home / 9,840.09-14,760.33-3,992.70

Finding the Fourth Proportional to 9,840.09, 14,760.33 and 3,992.70

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Solution

The fourth proportional to 9,840.09, 14,760.33 and 3,992.70 is: 5,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.09 : 14,760.33 = 3,992.70 : x
  2. Step 2: Convert to fraction form
    9,840.09/14,760.33 = 3,992.70/x
  3. Step 3: Cross multiply
    9,840.09x = 14,760.33 × 3,992.70
  4. Step 4: Simplify right side
    9,840.09x = 58,933,569.59
  5. Step 5: Solve for x
    x = 58,933,569.59/9,840.09
  6. Step 6: Final answer
    x = 5,989.13

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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.