Home / 13,227.07-19,807.80-11,045.47

Finding the Fourth Proportional to 13,227.07, 19,807.80 and 11,045.47

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Solution

The fourth proportional to 13,227.07, 19,807.80 and 11,045.47 is: 16,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.07 : 19,807.80 = 11,045.47 : x
  2. Step 2: Convert to fraction form
    13,227.07/19,807.80 = 11,045.47/x
  3. Step 3: Cross multiply
    13,227.07x = 19,807.80 × 11,045.47
  4. Step 4: Simplify right side
    13,227.07x = 218,786,460.67
  5. Step 5: Solve for x
    x = 218,786,460.67/13,227.07
  6. Step 6: Final answer
    x = 16,540.81

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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.