Home / 13,600.42-18,770.06-8,295.19

Finding the Fourth Proportional to 13,600.42, 18,770.06 and 8,295.19

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Solution

The fourth proportional to 13,600.42, 18,770.06 and 8,295.19 is: 11,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.42 : 18,770.06 = 8,295.19 : x
  2. Step 2: Convert to fraction form
    13,600.42/18,770.06 = 8,295.19/x
  3. Step 3: Cross multiply
    13,600.42x = 18,770.06 × 8,295.19
  4. Step 4: Simplify right side
    13,600.42x = 155,701,214.01
  5. Step 5: Solve for x
    x = 155,701,214.01/13,600.42
  6. Step 6: Final answer
    x = 11,448.27

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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.