Home / 10,382.12-14,326.90-5,666.28

Finding the Fourth Proportional to 10,382.12, 14,326.90 and 5,666.28

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Solution

The fourth proportional to 10,382.12, 14,326.90 and 5,666.28 is: 7,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.12 : 14,326.90 = 5,666.28 : x
  2. Step 2: Convert to fraction form
    10,382.12/14,326.90 = 5,666.28/x
  3. Step 3: Cross multiply
    10,382.12x = 14,326.90 × 5,666.28
  4. Step 4: Simplify right side
    10,382.12x = 81,180,226.93
  5. Step 5: Solve for x
    x = 81,180,226.93/10,382.12
  6. Step 6: Final answer
    x = 7,819.23

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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.