Home / 14,868.90-20,519.24-8,154.68

Finding the Fourth Proportional to 14,868.90, 20,519.24 and 8,154.68

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Solution

The fourth proportional to 14,868.90, 20,519.24 and 8,154.68 is: 11,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868.90 : 20,519.24 = 8,154.68 : x
  2. Step 2: Convert to fraction form
    14,868.90/20,519.24 = 8,154.68/x
  3. Step 3: Cross multiply
    14,868.90x = 20,519.24 × 8,154.68
  4. Step 4: Simplify right side
    14,868.90x = 167,327,692.67
  5. Step 5: Solve for x
    x = 167,327,692.67/14,868.90
  6. Step 6: Final answer
    x = 11,253.54

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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.