Home / 10,010.50-15,014.70-2,990.58

Finding the Fourth Proportional to 10,010.50, 15,014.70 and 2,990.58

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Solution

The fourth proportional to 10,010.50, 15,014.70 and 2,990.58 is: 4,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.50 : 15,014.70 = 2,990.58 : x
  2. Step 2: Convert to fraction form
    10,010.50/15,014.70 = 2,990.58/x
  3. Step 3: Cross multiply
    10,010.50x = 15,014.70 × 2,990.58
  4. Step 4: Simplify right side
    10,010.50x = 44,902,661.53
  5. Step 5: Solve for x
    x = 44,902,661.53/10,010.50
  6. Step 6: Final answer
    x = 4,485.56

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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.