Home / 15,216.75-22,790.49-10,515.46

Finding the Fourth Proportional to 15,216.75, 22,790.49 and 10,515.46

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Solution

The fourth proportional to 15,216.75, 22,790.49 and 10,515.46 is: 15,749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.75 : 22,790.49 = 10,515.46 : x
  2. Step 2: Convert to fraction form
    15,216.75/22,790.49 = 10,515.46/x
  3. Step 3: Cross multiply
    15,216.75x = 22,790.49 × 10,515.46
  4. Step 4: Simplify right side
    15,216.75x = 239,652,485.98
  5. Step 5: Solve for x
    x = 239,652,485.98/15,216.75
  6. Step 6: Final answer
    x = 15,749.26

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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.