Home / 14,506.24-20,017.44-8,219.20

Finding the Fourth Proportional to 14,506.24, 20,017.44 and 8,219.20

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Solution

The fourth proportional to 14,506.24, 20,017.44 and 8,219.20 is: 11,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.24 : 20,017.44 = 8,219.20 : x
  2. Step 2: Convert to fraction form
    14,506.24/20,017.44 = 8,219.20/x
  3. Step 3: Cross multiply
    14,506.24x = 20,017.44 × 8,219.20
  4. Step 4: Simplify right side
    14,506.24x = 164,527,342.85
  5. Step 5: Solve for x
    x = 164,527,342.85/14,506.24
  6. Step 6: Final answer
    x = 11,341.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.