Home / 13,262.51-19,881.33-4,491.29

Finding the Fourth Proportional to 13,262.51, 19,881.33 and 4,491.29

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Solution

The fourth proportional to 13,262.51, 19,881.33 and 4,491.29 is: 6,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.51 : 19,881.33 = 4,491.29 : x
  2. Step 2: Convert to fraction form
    13,262.51/19,881.33 = 4,491.29/x
  3. Step 3: Cross multiply
    13,262.51x = 19,881.33 × 4,491.29
  4. Step 4: Simplify right side
    13,262.51x = 89,292,818.62
  5. Step 5: Solve for x
    x = 89,292,818.62/13,262.51
  6. Step 6: Final answer
    x = 6,732.72

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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.