Home / 12,600.53-18,900.10-3,834.76

Finding the Fourth Proportional to 12,600.53, 18,900.10 and 3,834.76

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Solution

The fourth proportional to 12,600.53, 18,900.10 and 3,834.76 is: 5,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.53 : 18,900.10 = 3,834.76 : x
  2. Step 2: Convert to fraction form
    12,600.53/18,900.10 = 3,834.76/x
  3. Step 3: Cross multiply
    12,600.53x = 18,900.10 × 3,834.76
  4. Step 4: Simplify right side
    12,600.53x = 72,477,347.48
  5. Step 5: Solve for x
    x = 72,477,347.48/12,600.53
  6. Step 6: Final answer
    x = 5,751.93

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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.