Home / 11,201.04-15,454.08-6,485.16

Finding the Fourth Proportional to 11,201.04, 15,454.08 and 6,485.16

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Solution

The fourth proportional to 11,201.04, 15,454.08 and 6,485.16 is: 8,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.04 : 15,454.08 = 6,485.16 : x
  2. Step 2: Convert to fraction form
    11,201.04/15,454.08 = 6,485.16/x
  3. Step 3: Cross multiply
    11,201.04x = 15,454.08 × 6,485.16
  4. Step 4: Simplify right side
    11,201.04x = 100,222,181.45
  5. Step 5: Solve for x
    x = 100,222,181.45/11,201.04
  6. Step 6: Final answer
    x = 8,947.58

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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.