Home / 13,818.42-20,730.37-4,460.80

Finding the Fourth Proportional to 13,818.42, 20,730.37 and 4,460.80

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Solution

The fourth proportional to 13,818.42, 20,730.37 and 4,460.80 is: 6,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.42 : 20,730.37 = 4,460.80 : x
  2. Step 2: Convert to fraction form
    13,818.42/20,730.37 = 4,460.80/x
  3. Step 3: Cross multiply
    13,818.42x = 20,730.37 × 4,460.80
  4. Step 4: Simplify right side
    13,818.42x = 92,473,954.17
  5. Step 5: Solve for x
    x = 92,473,954.17/13,818.42
  6. Step 6: Final answer
    x = 6,692.08

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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.