Home / 10,003.04-15,006.56-3,078.56

Finding the Fourth Proportional to 10,003.04, 15,006.56 and 3,078.56

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Solution

The fourth proportional to 10,003.04, 15,006.56 and 3,078.56 is: 4,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.04 : 15,006.56 = 3,078.56 : x
  2. Step 2: Convert to fraction form
    10,003.04/15,006.56 = 3,078.56/x
  3. Step 3: Cross multiply
    10,003.04x = 15,006.56 × 3,078.56
  4. Step 4: Simplify right side
    10,003.04x = 46,198,595.35
  5. Step 5: Solve for x
    x = 46,198,595.35/10,003.04
  6. Step 6: Final answer
    x = 4,618.46

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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.