Home / 9,028.36-13,509.71-7,453.72

Finding the Fourth Proportional to 9,028.36, 13,509.71 and 7,453.72

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Solution

The fourth proportional to 9,028.36, 13,509.71 and 7,453.72 is: 11,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.36 : 13,509.71 = 7,453.72 : x
  2. Step 2: Convert to fraction form
    9,028.36/13,509.71 = 7,453.72/x
  3. Step 3: Cross multiply
    9,028.36x = 13,509.71 × 7,453.72
  4. Step 4: Simplify right side
    9,028.36x = 100,697,490.80
  5. Step 5: Solve for x
    x = 100,697,490.80/9,028.36
  6. Step 6: Final answer
    x = 11,153.47

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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.