Home / 15,033.36-20,736.36-10,320.24

Finding the Fourth Proportional to 15,033.36, 20,736.36 and 10,320.24

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Solution

The fourth proportional to 15,033.36, 20,736.36 and 10,320.24 is: 14,235.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.36 : 20,736.36 = 10,320.24 : x
  2. Step 2: Convert to fraction form
    15,033.36/20,736.36 = 10,320.24/x
  3. Step 3: Cross multiply
    15,033.36x = 20,736.36 × 10,320.24
  4. Step 4: Simplify right side
    15,033.36x = 214,004,211.93
  5. Step 5: Solve for x
    x = 214,004,211.93/15,033.36
  6. Step 6: Final answer
    x = 14,235.29

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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.