Home / 9,635.15-13,292.48-6,485.87

Finding the Fourth Proportional to 9,635.15, 13,292.48 and 6,485.87

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Solution

The fourth proportional to 9,635.15, 13,292.48 and 6,485.87 is: 8,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,635.15 : 13,292.48 = 6,485.87 : x
  2. Step 2: Convert to fraction form
    9,635.15/13,292.48 = 6,485.87/x
  3. Step 3: Cross multiply
    9,635.15x = 13,292.48 × 6,485.87
  4. Step 4: Simplify right side
    9,635.15x = 86,213,247.01
  5. Step 5: Solve for x
    x = 86,213,247.01/9,635.15
  6. Step 6: Final answer
    x = 8,947.79

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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.