Home / 11,396.84-15,728.43-6,362.05

Finding the Fourth Proportional to 11,396.84, 15,728.43 and 6,362.05

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Solution

The fourth proportional to 11,396.84, 15,728.43 and 6,362.05 is: 8,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.84 : 15,728.43 = 6,362.05 : x
  2. Step 2: Convert to fraction form
    11,396.84/15,728.43 = 6,362.05/x
  3. Step 3: Cross multiply
    11,396.84x = 15,728.43 × 6,362.05
  4. Step 4: Simplify right side
    11,396.84x = 100,065,058.08
  5. Step 5: Solve for x
    x = 100,065,058.08/11,396.84
  6. Step 6: Final answer
    x = 8,780.07

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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.