Home / 14,015.03-20,997.02-8,153.87

Finding the Fourth Proportional to 14,015.03, 20,997.02 and 8,153.87

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Solution

The fourth proportional to 14,015.03, 20,997.02 and 8,153.87 is: 12,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.03 : 20,997.02 = 8,153.87 : x
  2. Step 2: Convert to fraction form
    14,015.03/20,997.02 = 8,153.87/x
  3. Step 3: Cross multiply
    14,015.03x = 20,997.02 × 8,153.87
  4. Step 4: Simplify right side
    14,015.03x = 171,206,886.87
  5. Step 5: Solve for x
    x = 171,206,886.87/14,015.03
  6. Step 6: Final answer
    x = 12,215.95

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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.