Home / 9,511.29-13,124.88-5,531.54

Finding the Fourth Proportional to 9,511.29, 13,124.88 and 5,531.54

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Solution

The fourth proportional to 9,511.29, 13,124.88 and 5,531.54 is: 7,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.29 : 13,124.88 = 5,531.54 : x
  2. Step 2: Convert to fraction form
    9,511.29/13,124.88 = 5,531.54/x
  3. Step 3: Cross multiply
    9,511.29x = 13,124.88 × 5,531.54
  4. Step 4: Simplify right side
    9,511.29x = 72,600,733.09
  5. Step 5: Solve for x
    x = 72,600,733.09/9,511.29
  6. Step 6: Final answer
    x = 7,633.11

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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.