Home / 10,009.98-15,017.09-2,990.54

Finding the Fourth Proportional to 10,009.98, 15,017.09 and 2,990.54

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Solution

The fourth proportional to 10,009.98, 15,017.09 and 2,990.54 is: 4,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.98 : 15,017.09 = 2,990.54 : x
  2. Step 2: Convert to fraction form
    10,009.98/15,017.09 = 2,990.54/x
  3. Step 3: Cross multiply
    10,009.98x = 15,017.09 × 2,990.54
  4. Step 4: Simplify right side
    10,009.98x = 44,909,118.29
  5. Step 5: Solve for x
    x = 44,909,118.29/10,009.98
  6. Step 6: Final answer
    x = 4,486.43

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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.