Home / 13,095.36-18,074.39-8,619.50

Finding the Fourth Proportional to 13,095.36, 18,074.39 and 8,619.50

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Solution

The fourth proportional to 13,095.36, 18,074.39 and 8,619.50 is: 11,896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.36 : 18,074.39 = 8,619.50 : x
  2. Step 2: Convert to fraction form
    13,095.36/18,074.39 = 8,619.50/x
  3. Step 3: Cross multiply
    13,095.36x = 18,074.39 × 8,619.50
  4. Step 4: Simplify right side
    13,095.36x = 155,792,071.14
  5. Step 5: Solve for x
    x = 155,792,071.14/13,095.36
  6. Step 6: Final answer
    x = 11,896.74

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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.