Home / 12,668.13-19,002.67-4,353.89

Finding the Fourth Proportional to 12,668.13, 19,002.67 and 4,353.89

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Solution

The fourth proportional to 12,668.13, 19,002.67 and 4,353.89 is: 6,530.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.13 : 19,002.67 = 4,353.89 : x
  2. Step 2: Convert to fraction form
    12,668.13/19,002.67 = 4,353.89/x
  3. Step 3: Cross multiply
    12,668.13x = 19,002.67 × 4,353.89
  4. Step 4: Simplify right side
    12,668.13x = 82,735,428.99
  5. Step 5: Solve for x
    x = 82,735,428.99/12,668.13
  6. Step 6: Final answer
    x = 6,530.99

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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.