Home / 9,886.08-13,641.84-5,409.48

Finding the Fourth Proportional to 9,886.08, 13,641.84 and 5,409.48

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Solution

The fourth proportional to 9,886.08, 13,641.84 and 5,409.48 is: 7,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.08 : 13,641.84 = 5,409.48 : x
  2. Step 2: Convert to fraction form
    9,886.08/13,641.84 = 5,409.48/x
  3. Step 3: Cross multiply
    9,886.08x = 13,641.84 × 5,409.48
  4. Step 4: Simplify right side
    9,886.08x = 73,795,260.64
  5. Step 5: Solve for x
    x = 73,795,260.64/9,886.08
  6. Step 6: Final answer
    x = 7,464.56

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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.