Home / 14,291.06-19,722.60-8,003.84

Finding the Fourth Proportional to 14,291.06, 19,722.60 and 8,003.84

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Solution

The fourth proportional to 14,291.06, 19,722.60 and 8,003.84 is: 11,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.06 : 19,722.60 = 8,003.84 : x
  2. Step 2: Convert to fraction form
    14,291.06/19,722.60 = 8,003.84/x
  3. Step 3: Cross multiply
    14,291.06x = 19,722.60 × 8,003.84
  4. Step 4: Simplify right side
    14,291.06x = 157,856,534.78
  5. Step 5: Solve for x
    x = 157,856,534.78/14,291.06
  6. Step 6: Final answer
    x = 11,045.82

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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.