Home / 11,817.81-17,726.34-4,797.63

Finding the Fourth Proportional to 11,817.81, 17,726.34 and 4,797.63

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Solution

The fourth proportional to 11,817.81, 17,726.34 and 4,797.63 is: 7,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.81 : 17,726.34 = 4,797.63 : x
  2. Step 2: Convert to fraction form
    11,817.81/17,726.34 = 4,797.63/x
  3. Step 3: Cross multiply
    11,817.81x = 17,726.34 × 4,797.63
  4. Step 4: Simplify right side
    11,817.81x = 85,044,420.57
  5. Step 5: Solve for x
    x = 85,044,420.57/11,817.81
  6. Step 6: Final answer
    x = 7,196.29

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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.