Home / 12,666.44-19,002.30-3,900.92

Finding the Fourth Proportional to 12,666.44, 19,002.30 and 3,900.92

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Solution

The fourth proportional to 12,666.44, 19,002.30 and 3,900.92 is: 5,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.44 : 19,002.30 = 3,900.92 : x
  2. Step 2: Convert to fraction form
    12,666.44/19,002.30 = 3,900.92/x
  3. Step 3: Cross multiply
    12,666.44x = 19,002.30 × 3,900.92
  4. Step 4: Simplify right side
    12,666.44x = 74,126,452.12
  5. Step 5: Solve for x
    x = 74,126,452.12/12,666.44
  6. Step 6: Final answer
    x = 5,852.19

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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.