Home / 13,756.04-20,635.22-4,397.39

Finding the Fourth Proportional to 13,756.04, 20,635.22 and 4,397.39

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Solution

The fourth proportional to 13,756.04, 20,635.22 and 4,397.39 is: 6,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.04 : 20,635.22 = 4,397.39 : x
  2. Step 2: Convert to fraction form
    13,756.04/20,635.22 = 4,397.39/x
  3. Step 3: Cross multiply
    13,756.04x = 20,635.22 × 4,397.39
  4. Step 4: Simplify right side
    13,756.04x = 90,741,139.68
  5. Step 5: Solve for x
    x = 90,741,139.68/13,756.04
  6. Step 6: Final answer
    x = 6,596.46

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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.