Home / 13,618.17-20,414.48-5,303.52

Finding the Fourth Proportional to 13,618.17, 20,414.48 and 5,303.52

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Solution

The fourth proportional to 13,618.17, 20,414.48 and 5,303.52 is: 7,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.17 : 20,414.48 = 5,303.52 : x
  2. Step 2: Convert to fraction form
    13,618.17/20,414.48 = 5,303.52/x
  3. Step 3: Cross multiply
    13,618.17x = 20,414.48 × 5,303.52
  4. Step 4: Simplify right side
    13,618.17x = 108,268,576.45
  5. Step 5: Solve for x
    x = 108,268,576.45/13,618.17
  6. Step 6: Final answer
    x = 7,950.30

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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.