Home / 13,905.41-20,843.52-6,503.63

Finding the Fourth Proportional to 13,905.41, 20,843.52 and 6,503.63

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Solution

The fourth proportional to 13,905.41, 20,843.52 and 6,503.63 is: 9,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905.41 : 20,843.52 = 6,503.63 : x
  2. Step 2: Convert to fraction form
    13,905.41/20,843.52 = 6,503.63/x
  3. Step 3: Cross multiply
    13,905.41x = 20,843.52 × 6,503.63
  4. Step 4: Simplify right side
    13,905.41x = 135,558,541.98
  5. Step 5: Solve for x
    x = 135,558,541.98/13,905.41
  6. Step 6: Final answer
    x = 9,748.62

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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.