Home / 12,397.09-18,596.81-3,512.60

Finding the Fourth Proportional to 12,397.09, 18,596.81 and 3,512.60

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Solution

The fourth proportional to 12,397.09, 18,596.81 and 3,512.60 is: 5,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.09 : 18,596.81 = 3,512.60 : x
  2. Step 2: Convert to fraction form
    12,397.09/18,596.81 = 3,512.60/x
  3. Step 3: Cross multiply
    12,397.09x = 18,596.81 × 3,512.60
  4. Step 4: Simplify right side
    12,397.09x = 65,323,154.81
  5. Step 5: Solve for x
    x = 65,323,154.81/12,397.09
  6. Step 6: Final answer
    x = 5,269.24

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1.5x scale

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.