Home / 11,840.84-17,762.21-3,943.07

Finding the Fourth Proportional to 11,840.84, 17,762.21 and 3,943.07

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Solution

The fourth proportional to 11,840.84, 17,762.21 and 3,943.07 is: 5,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.84 : 17,762.21 = 3,943.07 : x
  2. Step 2: Convert to fraction form
    11,840.84/17,762.21 = 3,943.07/x
  3. Step 3: Cross multiply
    11,840.84x = 17,762.21 × 3,943.07
  4. Step 4: Simplify right side
    11,840.84x = 70,037,637.38
  5. Step 5: Solve for x
    x = 70,037,637.38/11,840.84
  6. Step 6: Final answer
    x = 5,914.92

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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.