Home / 10,010.03-15,017.54-2,990.03

Finding the Fourth Proportional to 10,010.03, 15,017.54 and 2,990.03

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Solution

The fourth proportional to 10,010.03, 15,017.54 and 2,990.03 is: 4,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.03 : 15,017.54 = 2,990.03 : x
  2. Step 2: Convert to fraction form
    10,010.03/15,017.54 = 2,990.03/x
  3. Step 3: Cross multiply
    10,010.03x = 15,017.54 × 2,990.03
  4. Step 4: Simplify right side
    10,010.03x = 44,902,805.09
  5. Step 5: Solve for x
    x = 44,902,805.09/10,010.03
  6. Step 6: Final answer
    x = 4,485.78

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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.