Home / 9,511.44-13,125.60-5,319.60

Finding the Fourth Proportional to 9,511.44, 13,125.60 and 5,319.60

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Solution

The fourth proportional to 9,511.44, 13,125.60 and 5,319.60 is: 7,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.44 : 13,125.60 = 5,319.60 : x
  2. Step 2: Convert to fraction form
    9,511.44/13,125.60 = 5,319.60/x
  3. Step 3: Cross multiply
    9,511.44x = 13,125.60 × 5,319.60
  4. Step 4: Simplify right side
    9,511.44x = 69,822,941.76
  5. Step 5: Solve for x
    x = 69,822,941.76/9,511.44
  6. Step 6: Final answer
    x = 7,340.94

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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.