Home / 10,020.90-13,828.64-5,544.84

Finding the Fourth Proportional to 10,020.90, 13,828.64 and 5,544.84

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Solution

The fourth proportional to 10,020.90, 13,828.64 and 5,544.84 is: 7,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.90 : 13,828.64 = 5,544.84 : x
  2. Step 2: Convert to fraction form
    10,020.90/13,828.64 = 5,544.84/x
  3. Step 3: Cross multiply
    10,020.90x = 13,828.64 × 5,544.84
  4. Step 4: Simplify right side
    10,020.90x = 76,677,596.22
  5. Step 5: Solve for x
    x = 76,677,596.22/10,020.90
  6. Step 6: Final answer
    x = 7,651.77

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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.