Home / 17,958.81-26,952.26-12,450.95

Finding the Fourth Proportional to 17,958.81, 26,952.26 and 12,450.95

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Solution

The fourth proportional to 17,958.81, 26,952.26 and 12,450.95 is: 18,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.81 : 26,952.26 = 12,450.95 : x
  2. Step 2: Convert to fraction form
    17,958.81/26,952.26 = 12,450.95/x
  3. Step 3: Cross multiply
    17,958.81x = 26,952.26 × 12,450.95
  4. Step 4: Simplify right side
    17,958.81x = 335,581,044.63
  5. Step 5: Solve for x
    x = 335,581,044.63/17,958.81
  6. Step 6: Final answer
    x = 18,686.15

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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.