Home / 10,006.34-15,012.47-2,986.54

Finding the Fourth Proportional to 10,006.34, 15,012.47 and 2,986.54

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Solution

The fourth proportional to 10,006.34, 15,012.47 and 2,986.54 is: 4,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.34 : 15,012.47 = 2,986.54 : x
  2. Step 2: Convert to fraction form
    10,006.34/15,012.47 = 2,986.54/x
  3. Step 3: Cross multiply
    10,006.34x = 15,012.47 × 2,986.54
  4. Step 4: Simplify right side
    10,006.34x = 44,835,312.09
  5. Step 5: Solve for x
    x = 44,835,312.09/10,006.34
  6. Step 6: Final answer
    x = 4,480.69

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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.