Home / 13,583.04-20,281.63-12,168.33

Finding the Fourth Proportional to 13,583.04, 20,281.63 and 12,168.33

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Solution

The fourth proportional to 13,583.04, 20,281.63 and 12,168.33 is: 18,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.04 : 20,281.63 = 12,168.33 : x
  2. Step 2: Convert to fraction form
    13,583.04/20,281.63 = 12,168.33/x
  3. Step 3: Cross multiply
    13,583.04x = 20,281.63 × 12,168.33
  4. Step 4: Simplify right side
    13,583.04x = 246,793,566.78
  5. Step 5: Solve for x
    x = 246,793,566.78/13,583.04
  6. Step 6: Final answer
    x = 18,169.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.