Home / 13,498.99-20,246.87-3,639.04

Finding the Fourth Proportional to 13,498.99, 20,246.87 and 3,639.04

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Solution

The fourth proportional to 13,498.99, 20,246.87 and 3,639.04 is: 5,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.99 : 20,246.87 = 3,639.04 : x
  2. Step 2: Convert to fraction form
    13,498.99/20,246.87 = 3,639.04/x
  3. Step 3: Cross multiply
    13,498.99x = 20,246.87 × 3,639.04
  4. Step 4: Simplify right side
    13,498.99x = 73,679,128.29
  5. Step 5: Solve for x
    x = 73,679,128.29/13,498.99
  6. Step 6: Final answer
    x = 5,458.12

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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.