Home / 10,006.90-15,010.36-2,611.35

Finding the Fourth Proportional to 10,006.90, 15,010.36 and 2,611.35

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Solution

The fourth proportional to 10,006.90, 15,010.36 and 2,611.35 is: 3,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.90 : 15,010.36 = 2,611.35 : x
  2. Step 2: Convert to fraction form
    10,006.90/15,010.36 = 2,611.35/x
  3. Step 3: Cross multiply
    10,006.90x = 15,010.36 × 2,611.35
  4. Step 4: Simplify right side
    10,006.90x = 39,197,297.06
  5. Step 5: Solve for x
    x = 39,197,297.06/10,006.90
  6. Step 6: Final answer
    x = 3,917.03

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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.