Home / 14,518.28-20,034.84-8,230.64

Finding the Fourth Proportional to 14,518.28, 20,034.84 and 8,230.64

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Solution

The fourth proportional to 14,518.28, 20,034.84 and 8,230.64 is: 11,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.28 : 20,034.84 = 8,230.64 : x
  2. Step 2: Convert to fraction form
    14,518.28/20,034.84 = 8,230.64/x
  3. Step 3: Cross multiply
    14,518.28x = 20,034.84 × 8,230.64
  4. Step 4: Simplify right side
    14,518.28x = 164,899,555.50
  5. Step 5: Solve for x
    x = 164,899,555.50/14,518.28
  6. Step 6: Final answer
    x = 11,358.06

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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.