Home / 11,824.26-16,317.63-7,639.80

Finding the Fourth Proportional to 11,824.26, 16,317.63 and 7,639.80

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Solution

The fourth proportional to 11,824.26, 16,317.63 and 7,639.80 is: 10,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.26 : 16,317.63 = 7,639.80 : x
  2. Step 2: Convert to fraction form
    11,824.26/16,317.63 = 7,639.80/x
  3. Step 3: Cross multiply
    11,824.26x = 16,317.63 × 7,639.80
  4. Step 4: Simplify right side
    11,824.26x = 124,663,429.67
  5. Step 5: Solve for x
    x = 124,663,429.67/11,824.26
  6. Step 6: Final answer
    x = 10,543.02

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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.