Home / 9,843.66-13,589.90-6,485.25

Finding the Fourth Proportional to 9,843.66, 13,589.90 and 6,485.25

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Solution

The fourth proportional to 9,843.66, 13,589.90 and 6,485.25 is: 8,953.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,843.66 : 13,589.90 = 6,485.25 : x
  2. Step 2: Convert to fraction form
    9,843.66/13,589.90 = 6,485.25/x
  3. Step 3: Cross multiply
    9,843.66x = 13,589.90 × 6,485.25
  4. Step 4: Simplify right side
    9,843.66x = 88,133,898.98
  5. Step 5: Solve for x
    x = 88,133,898.98/9,843.66
  6. Step 6: Final answer
    x = 8,953.37

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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.