Home / 8,019.98-12,029.94-2,176.58

Finding the Fourth Proportional to 8,019.98, 12,029.94 and 2,176.58

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Solution

The fourth proportional to 8,019.98, 12,029.94 and 2,176.58 is: 3,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.98 : 12,029.94 = 2,176.58 : x
  2. Step 2: Convert to fraction form
    8,019.98/12,029.94 = 2,176.58/x
  3. Step 3: Cross multiply
    8,019.98x = 12,029.94 × 2,176.58
  4. Step 4: Simplify right side
    8,019.98x = 26,184,126.81
  5. Step 5: Solve for x
    x = 26,184,126.81/8,019.98
  6. Step 6: Final answer
    x = 3,264.86

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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.