Home / 13,367.52-20,051.10-6,420.96

Finding the Fourth Proportional to 13,367.52, 20,051.10 and 6,420.96

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Solution

The fourth proportional to 13,367.52, 20,051.10 and 6,420.96 is: 9,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.52 : 20,051.10 = 6,420.96 : x
  2. Step 2: Convert to fraction form
    13,367.52/20,051.10 = 6,420.96/x
  3. Step 3: Cross multiply
    13,367.52x = 20,051.10 × 6,420.96
  4. Step 4: Simplify right side
    13,367.52x = 128,747,311.06
  5. Step 5: Solve for x
    x = 128,747,311.06/13,367.52
  6. Step 6: Final answer
    x = 9,631.35

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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.