Home / 9,511.03-13,124.99-5,261.99

Finding the Fourth Proportional to 9,511.03, 13,124.99 and 5,261.99

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Solution

The fourth proportional to 9,511.03, 13,124.99 and 5,261.99 is: 7,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.03 : 13,124.99 = 5,261.99 : x
  2. Step 2: Convert to fraction form
    9,511.03/13,124.99 = 5,261.99/x
  3. Step 3: Cross multiply
    9,511.03x = 13,124.99 × 5,261.99
  4. Step 4: Simplify right side
    9,511.03x = 69,063,539.82
  5. Step 5: Solve for x
    x = 69,063,539.82/9,511.03
  6. Step 6: Final answer
    x = 7,261.42

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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.