Home / 13,265.10-19,897.37-3,904.89

Finding the Fourth Proportional to 13,265.10, 19,897.37 and 3,904.89

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Solution

The fourth proportional to 13,265.10, 19,897.37 and 3,904.89 is: 5,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.10 : 19,897.37 = 3,904.89 : x
  2. Step 2: Convert to fraction form
    13,265.10/19,897.37 = 3,904.89/x
  3. Step 3: Cross multiply
    13,265.10x = 19,897.37 × 3,904.89
  4. Step 4: Simplify right side
    13,265.10x = 77,697,021.61
  5. Step 5: Solve for x
    x = 77,697,021.61/13,265.10
  6. Step 6: Final answer
    x = 5,857.25

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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.