Home / 11,485.33-15,848.96-6,381.11

Finding the Fourth Proportional to 11,485.33, 15,848.96 and 6,381.11

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Solution

The fourth proportional to 11,485.33, 15,848.96 and 6,381.11 is: 8,805.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.33 : 15,848.96 = 6,381.11 : x
  2. Step 2: Convert to fraction form
    11,485.33/15,848.96 = 6,381.11/x
  3. Step 3: Cross multiply
    11,485.33x = 15,848.96 × 6,381.11
  4. Step 4: Simplify right side
    11,485.33x = 101,133,964.86
  5. Step 5: Solve for x
    x = 101,133,964.86/11,485.33
  6. Step 6: Final answer
    x = 8,805.49

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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.