Home / 13,277.09-19,910.50-5,377.63

Finding the Fourth Proportional to 13,277.09, 19,910.50 and 5,377.63

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Solution

The fourth proportional to 13,277.09, 19,910.50 and 5,377.63 is: 8,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.09 : 19,910.50 = 5,377.63 : x
  2. Step 2: Convert to fraction form
    13,277.09/19,910.50 = 5,377.63/x
  3. Step 3: Cross multiply
    13,277.09x = 19,910.50 × 5,377.63
  4. Step 4: Simplify right side
    13,277.09x = 107,071,302.12
  5. Step 5: Solve for x
    x = 107,071,302.12/13,277.09
  6. Step 6: Final answer
    x = 8,064.37

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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.