Home / 9,690.09-13,379.76-7,043.82

Finding the Fourth Proportional to 9,690.09, 13,379.76 and 7,043.82

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Solution

The fourth proportional to 9,690.09, 13,379.76 and 7,043.82 is: 9,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.09 : 13,379.76 = 7,043.82 : x
  2. Step 2: Convert to fraction form
    9,690.09/13,379.76 = 7,043.82/x
  3. Step 3: Cross multiply
    9,690.09x = 13,379.76 × 7,043.82
  4. Step 4: Simplify right side
    9,690.09x = 94,244,621.08
  5. Step 5: Solve for x
    x = 94,244,621.08/9,690.09
  6. Step 6: Final answer
    x = 9,725.88

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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.