Home / 14,777.21-20,391.08-10,310.56

Finding the Fourth Proportional to 14,777.21, 20,391.08 and 10,310.56

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Solution

The fourth proportional to 14,777.21, 20,391.08 and 10,310.56 is: 14,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.21 : 20,391.08 = 10,310.56 : x
  2. Step 2: Convert to fraction form
    14,777.21/20,391.08 = 10,310.56/x
  3. Step 3: Cross multiply
    14,777.21x = 20,391.08 × 10,310.56
  4. Step 4: Simplify right side
    14,777.21x = 210,243,428.60
  5. Step 5: Solve for x
    x = 210,243,428.60/14,777.21
  6. Step 6: Final answer
    x = 14,227.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.