Home / 10,021.04-13,828.96-5,605.04

Finding the Fourth Proportional to 10,021.04, 13,828.96 and 5,605.04

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Solution

The fourth proportional to 10,021.04, 13,828.96 and 5,605.04 is: 7,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.04 : 13,828.96 = 5,605.04 : x
  2. Step 2: Convert to fraction form
    10,021.04/13,828.96 = 5,605.04/x
  3. Step 3: Cross multiply
    10,021.04x = 13,828.96 × 5,605.04
  4. Step 4: Simplify right side
    10,021.04x = 77,511,873.96
  5. Step 5: Solve for x
    x = 77,511,873.96/10,021.04
  6. Step 6: Final answer
    x = 7,734.91

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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.