Home / 13,280.48-18,326.34-7,614.95

Finding the Fourth Proportional to 13,280.48, 18,326.34 and 7,614.95

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Solution

The fourth proportional to 13,280.48, 18,326.34 and 7,614.95 is: 10,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.48 : 18,326.34 = 7,614.95 : x
  2. Step 2: Convert to fraction form
    13,280.48/18,326.34 = 7,614.95/x
  3. Step 3: Cross multiply
    13,280.48x = 18,326.34 × 7,614.95
  4. Step 4: Simplify right side
    13,280.48x = 139,554,162.78
  5. Step 5: Solve for x
    x = 139,554,162.78/13,280.48
  6. Step 6: Final answer
    x = 10,508.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.