Home / 14,095.61-21,135.20-5,331.21

Finding the Fourth Proportional to 14,095.61, 21,135.20 and 5,331.21

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Solution

The fourth proportional to 14,095.61, 21,135.20 and 5,331.21 is: 7,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095.61 : 21,135.20 = 5,331.21 : x
  2. Step 2: Convert to fraction form
    14,095.61/21,135.20 = 5,331.21/x
  3. Step 3: Cross multiply
    14,095.61x = 21,135.20 × 5,331.21
  4. Step 4: Simplify right side
    14,095.61x = 112,676,189.59
  5. Step 5: Solve for x
    x = 112,676,189.59/14,095.61
  6. Step 6: Final answer
    x = 7,993.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.