Home / 8,936.07-13,409.15-8,865.51

Finding the Fourth Proportional to 8,936.07, 13,409.15 and 8,865.51

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Solution

The fourth proportional to 8,936.07, 13,409.15 and 8,865.51 is: 13,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.07 : 13,409.15 = 8,865.51 : x
  2. Step 2: Convert to fraction form
    8,936.07/13,409.15 = 8,865.51/x
  3. Step 3: Cross multiply
    8,936.07x = 13,409.15 × 8,865.51
  4. Step 4: Simplify right side
    8,936.07x = 118,878,909.09
  5. Step 5: Solve for x
    x = 118,878,909.09/8,936.07
  6. Step 6: Final answer
    x = 13,303.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.