Home / 13,926.77-20,900.53-5,606.85

Finding the Fourth Proportional to 13,926.77, 20,900.53 and 5,606.85

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Solution

The fourth proportional to 13,926.77, 20,900.53 and 5,606.85 is: 8,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.77 : 20,900.53 = 5,606.85 : x
  2. Step 2: Convert to fraction form
    13,926.77/20,900.53 = 5,606.85/x
  3. Step 3: Cross multiply
    13,926.77x = 20,900.53 × 5,606.85
  4. Step 4: Simplify right side
    13,926.77x = 117,186,136.63
  5. Step 5: Solve for x
    x = 117,186,136.63/13,926.77
  6. Step 6: Final answer
    x = 8,414.45

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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.