Home / 13,756.30-20,635.55-4,397.66

Finding the Fourth Proportional to 13,756.30, 20,635.55 and 4,397.66

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Solution

The fourth proportional to 13,756.30, 20,635.55 and 4,397.66 is: 6,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.30 : 20,635.55 = 4,397.66 : x
  2. Step 2: Convert to fraction form
    13,756.30/20,635.55 = 4,397.66/x
  3. Step 3: Cross multiply
    13,756.30x = 20,635.55 × 4,397.66
  4. Step 4: Simplify right side
    13,756.30x = 90,748,101.52
  5. Step 5: Solve for x
    x = 90,748,101.52/13,756.30
  6. Step 6: Final answer
    x = 6,596.84

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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.