Home / 19,377.21-26,748.68-13,098.09

Finding the Fourth Proportional to 19,377.21, 26,748.68 and 13,098.09

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Solution

The fourth proportional to 19,377.21, 26,748.68 and 13,098.09 is: 18,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.21 : 26,748.68 = 13,098.09 : x
  2. Step 2: Convert to fraction form
    19,377.21/26,748.68 = 13,098.09/x
  3. Step 3: Cross multiply
    19,377.21x = 26,748.68 × 13,098.09
  4. Step 4: Simplify right side
    19,377.21x = 350,356,552.53
  5. Step 5: Solve for x
    x = 350,356,552.53/19,377.21
  6. Step 6: Final answer
    x = 18,080.86

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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.