Home / 19,094.70-28,663.65-11,307.90

Finding the Fourth Proportional to 19,094.70, 28,663.65 and 11,307.90

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Solution

The fourth proportional to 19,094.70, 28,663.65 and 11,307.90 is: 16,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,094.70 : 28,663.65 = 11,307.90 : x
  2. Step 2: Convert to fraction form
    19,094.70/28,663.65 = 11,307.90/x
  3. Step 3: Cross multiply
    19,094.70x = 28,663.65 × 11,307.90
  4. Step 4: Simplify right side
    19,094.70x = 324,125,687.84
  5. Step 5: Solve for x
    x = 324,125,687.84/19,094.70
  6. Step 6: Final answer
    x = 16,974.64

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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.