Home / 14,147.00-19,524.02-9,121.68

Finding the Fourth Proportional to 14,147.00, 19,524.02 and 9,121.68

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Solution

The fourth proportional to 14,147.00, 19,524.02 and 9,121.68 is: 12,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.00 : 19,524.02 = 9,121.68 : x
  2. Step 2: Convert to fraction form
    14,147.00/19,524.02 = 9,121.68/x
  3. Step 3: Cross multiply
    14,147.00x = 19,524.02 × 9,121.68
  4. Step 4: Simplify right side
    14,147.00x = 178,091,958.77
  5. Step 5: Solve for x
    x = 178,091,958.77/14,147.00
  6. Step 6: Final answer
    x = 12,588.67

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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.