Home / 10,020.53-13,828.47-6,245.22

Finding the Fourth Proportional to 10,020.53, 13,828.47 and 6,245.22

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Solution

The fourth proportional to 10,020.53, 13,828.47 and 6,245.22 is: 8,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.53 : 13,828.47 = 6,245.22 : x
  2. Step 2: Convert to fraction form
    10,020.53/13,828.47 = 6,245.22/x
  3. Step 3: Cross multiply
    10,020.53x = 13,828.47 × 6,245.22
  4. Step 4: Simplify right side
    10,020.53x = 86,361,865.85
  5. Step 5: Solve for x
    x = 86,361,865.85/10,020.53
  6. Step 6: Final answer
    x = 8,618.49

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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.