Home / 13,323.90-18,253.46-12,825.34

Finding the Fourth Proportional to 13,323.90, 18,253.46 and 12,825.34

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Solution

The fourth proportional to 13,323.90, 18,253.46 and 12,825.34 is: 17,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.90 : 18,253.46 = 12,825.34 : x
  2. Step 2: Convert to fraction form
    13,323.90/18,253.46 = 12,825.34/x
  3. Step 3: Cross multiply
    13,323.90x = 18,253.46 × 12,825.34
  4. Step 4: Simplify right side
    13,323.90x = 234,106,830.68
  5. Step 5: Solve for x
    x = 234,106,830.68/13,323.90
  6. Step 6: Final answer
    x = 17,570.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.