Home / 19,001.52-28,463.40-11,186.64

Finding the Fourth Proportional to 19,001.52, 28,463.40 and 11,186.64

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Solution

The fourth proportional to 19,001.52, 28,463.40 and 11,186.64 is: 16,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.52 : 28,463.40 = 11,186.64 : x
  2. Step 2: Convert to fraction form
    19,001.52/28,463.40 = 11,186.64/x
  3. Step 3: Cross multiply
    19,001.52x = 28,463.40 × 11,186.64
  4. Step 4: Simplify right side
    19,001.52x = 318,409,808.98
  5. Step 5: Solve for x
    x = 318,409,808.98/19,001.52
  6. Step 6: Final answer
    x = 16,757.07

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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.