Home / 13,450.10-18,532.41-9,907.70

Finding the Fourth Proportional to 13,450.10, 18,532.41 and 9,907.70

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Solution

The fourth proportional to 13,450.10, 18,532.41 and 9,907.70 is: 13,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.10 : 18,532.41 = 9,907.70 : x
  2. Step 2: Convert to fraction form
    13,450.10/18,532.41 = 9,907.70/x
  3. Step 3: Cross multiply
    13,450.10x = 18,532.41 × 9,907.70
  4. Step 4: Simplify right side
    13,450.10x = 183,613,558.56
  5. Step 5: Solve for x
    x = 183,613,558.56/13,450.10
  6. Step 6: Final answer
    x = 13,651.46

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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.