Home / 13,052.44-18,012.31-7,751.62

Finding the Fourth Proportional to 13,052.44, 18,012.31 and 7,751.62

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Solution

The fourth proportional to 13,052.44, 18,012.31 and 7,751.62 is: 10,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.44 : 18,012.31 = 7,751.62 : x
  2. Step 2: Convert to fraction form
    13,052.44/18,012.31 = 7,751.62/x
  3. Step 3: Cross multiply
    13,052.44x = 18,012.31 × 7,751.62
  4. Step 4: Simplify right side
    13,052.44x = 139,624,582.44
  5. Step 5: Solve for x
    x = 139,624,582.44/13,052.44
  6. Step 6: Final answer
    x = 10,697.20

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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.