Home / 13,442.46-20,164.98-3,582.34

Finding the Fourth Proportional to 13,442.46, 20,164.98 and 3,582.34

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Solution

The fourth proportional to 13,442.46, 20,164.98 and 3,582.34 is: 5,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442.46 : 20,164.98 = 3,582.34 : x
  2. Step 2: Convert to fraction form
    13,442.46/20,164.98 = 3,582.34/x
  3. Step 3: Cross multiply
    13,442.46x = 20,164.98 × 3,582.34
  4. Step 4: Simplify right side
    13,442.46x = 72,237,814.45
  5. Step 5: Solve for x
    x = 72,237,814.45/13,442.46
  6. Step 6: Final answer
    x = 5,373.85

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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.