Home / 19,072.72-26,315.94-12,008.44

Finding the Fourth Proportional to 19,072.72, 26,315.94 and 12,008.44

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Solution

The fourth proportional to 19,072.72, 26,315.94 and 12,008.44 is: 16,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.72 : 26,315.94 = 12,008.44 : x
  2. Step 2: Convert to fraction form
    19,072.72/26,315.94 = 12,008.44/x
  3. Step 3: Cross multiply
    19,072.72x = 26,315.94 × 12,008.44
  4. Step 4: Simplify right side
    19,072.72x = 316,013,386.53
  5. Step 5: Solve for x
    x = 316,013,386.53/19,072.72
  6. Step 6: Final answer
    x = 16,568.87

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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.