Home / 11,782.07-17,681.19-4,856.57

Finding the Fourth Proportional to 11,782.07, 17,681.19 and 4,856.57

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Solution

The fourth proportional to 11,782.07, 17,681.19 and 4,856.57 is: 7,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.07 : 17,681.19 = 4,856.57 : x
  2. Step 2: Convert to fraction form
    11,782.07/17,681.19 = 4,856.57/x
  3. Step 3: Cross multiply
    11,782.07x = 17,681.19 × 4,856.57
  4. Step 4: Simplify right side
    11,782.07x = 85,869,936.92
  5. Step 5: Solve for x
    x = 85,869,936.92/11,782.07
  6. Step 6: Final answer
    x = 7,288.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.