Home / 13,698.62-20,559.58-5,384.46

Finding the Fourth Proportional to 13,698.62, 20,559.58 and 5,384.46

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Solution

The fourth proportional to 13,698.62, 20,559.58 and 5,384.46 is: 8,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698.62 : 20,559.58 = 5,384.46 : x
  2. Step 2: Convert to fraction form
    13,698.62/20,559.58 = 5,384.46/x
  3. Step 3: Cross multiply
    13,698.62x = 20,559.58 × 5,384.46
  4. Step 4: Simplify right side
    13,698.62x = 110,702,236.13
  5. Step 5: Solve for x
    x = 110,702,236.13/13,698.62
  6. Step 6: Final answer
    x = 8,081.27

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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.