Home / 13,788.67-20,670.69-5,017.41

Finding the Fourth Proportional to 13,788.67, 20,670.69 and 5,017.41

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Solution

The fourth proportional to 13,788.67, 20,670.69 and 5,017.41 is: 7,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.67 : 20,670.69 = 5,017.41 : x
  2. Step 2: Convert to fraction form
    13,788.67/20,670.69 = 5,017.41/x
  3. Step 3: Cross multiply
    13,788.67x = 20,670.69 × 5,017.41
  4. Step 4: Simplify right side
    13,788.67x = 103,713,326.71
  5. Step 5: Solve for x
    x = 103,713,326.71/13,788.67
  6. Step 6: Final answer
    x = 7,521.63

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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.