Home / 13,395.51-18,487.52-8,800.22

Finding the Fourth Proportional to 13,395.51, 18,487.52 and 8,800.22

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Solution

The fourth proportional to 13,395.51, 18,487.52 and 8,800.22 is: 12,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.51 : 18,487.52 = 8,800.22 : x
  2. Step 2: Convert to fraction form
    13,395.51/18,487.52 = 8,800.22/x
  3. Step 3: Cross multiply
    13,395.51x = 18,487.52 × 8,800.22
  4. Step 4: Simplify right side
    13,395.51x = 162,694,106.82
  5. Step 5: Solve for x
    x = 162,694,106.82/13,395.51
  6. Step 6: Final answer
    x = 12,145.42

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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.