Home / 9,856.09-13,601.45-5,379.94

Finding the Fourth Proportional to 9,856.09, 13,601.45 and 5,379.94

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Solution

The fourth proportional to 9,856.09, 13,601.45 and 5,379.94 is: 7,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,856.09 : 13,601.45 = 5,379.94 : x
  2. Step 2: Convert to fraction form
    9,856.09/13,601.45 = 5,379.94/x
  3. Step 3: Cross multiply
    9,856.09x = 13,601.45 × 5,379.94
  4. Step 4: Simplify right side
    9,856.09x = 73,174,924.01
  5. Step 5: Solve for x
    x = 73,174,924.01/9,856.09
  6. Step 6: Final answer
    x = 7,424.34

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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.