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Finding the Fourth Proportional to 14,373.36, 19,835.01 and 7,999.88

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Solution

The fourth proportional to 14,373.36, 19,835.01 and 7,999.88 is: 11,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.36 : 19,835.01 = 7,999.88 : x
  2. Step 2: Convert to fraction form
    14,373.36/19,835.01 = 7,999.88/x
  3. Step 3: Cross multiply
    14,373.36x = 19,835.01 × 7,999.88
  4. Step 4: Simplify right side
    14,373.36x = 158,677,600.62
  5. Step 5: Solve for x
    x = 158,677,600.62/14,373.36
  6. Step 6: Final answer
    x = 11,039.70

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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.