Home / 18,977.49-26,189.33-12,614.94

Finding the Fourth Proportional to 18,977.49, 26,189.33 and 12,614.94

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Solution

The fourth proportional to 18,977.49, 26,189.33 and 12,614.94 is: 17,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.49 : 26,189.33 = 12,614.94 : x
  2. Step 2: Convert to fraction form
    18,977.49/26,189.33 = 12,614.94/x
  3. Step 3: Cross multiply
    18,977.49x = 26,189.33 × 12,614.94
  4. Step 4: Simplify right side
    18,977.49x = 330,376,763.52
  5. Step 5: Solve for x
    x = 330,376,763.52/18,977.49
  6. Step 6: Final answer
    x = 17,408.88

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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.