Home / 13,425.50-20,107.58-6,410.45

Finding the Fourth Proportional to 13,425.50, 20,107.58 and 6,410.45

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Solution

The fourth proportional to 13,425.50, 20,107.58 and 6,410.45 is: 9,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.50 : 20,107.58 = 6,410.45 : x
  2. Step 2: Convert to fraction form
    13,425.50/20,107.58 = 6,410.45/x
  3. Step 3: Cross multiply
    13,425.50x = 20,107.58 × 6,410.45
  4. Step 4: Simplify right side
    13,425.50x = 128,898,503.62
  5. Step 5: Solve for x
    x = 128,898,503.62/13,425.50
  6. Step 6: Final answer
    x = 9,601.02

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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.