Home / 14,017.16-20,997-11,228.72

Finding the Fourth Proportional to 14,017.16, 20,997 and 11,228.72

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Solution

The fourth proportional to 14,017.16, 20,997 and 11,228.72 is: 16,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.16 : 20,997 = 11,228.72 : x
  2. Step 2: Convert to fraction form
    14,017.16/20,997 = 11,228.72/x
  3. Step 3: Cross multiply
    14,017.16x = 20,997 × 11,228.72
  4. Step 4: Simplify right side
    14,017.16x = 235,769,433.84
  5. Step 5: Solve for x
    x = 235,769,433.84/14,017.16
  6. Step 6: Final answer
    x = 16,820.06

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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.