Home / 9,839.93-13,590.09-7,628.54

Finding the Fourth Proportional to 9,839.93, 13,590.09 and 7,628.54

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Solution

The fourth proportional to 9,839.93, 13,590.09 and 7,628.54 is: 10,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.93 : 13,590.09 = 7,628.54 : x
  2. Step 2: Convert to fraction form
    9,839.93/13,590.09 = 7,628.54/x
  3. Step 3: Cross multiply
    9,839.93x = 13,590.09 × 7,628.54
  4. Step 4: Simplify right side
    9,839.93x = 103,672,477.22
  5. Step 5: Solve for x
    x = 103,672,477.22/9,839.93
  6. Step 6: Final answer
    x = 10,535.90

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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.