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Finding the Fourth Proportional to 15,999.30, 24,001.79 and 7,673.72

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Solution

The fourth proportional to 15,999.30, 24,001.79 and 7,673.72 is: 11,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.30 : 24,001.79 = 7,673.72 : x
  2. Step 2: Convert to fraction form
    15,999.30/24,001.79 = 7,673.72/x
  3. Step 3: Cross multiply
    15,999.30x = 24,001.79 × 7,673.72
  4. Step 4: Simplify right side
    15,999.30x = 184,182,857.58
  5. Step 5: Solve for x
    x = 184,182,857.58/15,999.30
  6. Step 6: Final answer
    x = 11,511.93

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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.