Home / 10,382.13-14,327.28-5,666.45

Finding the Fourth Proportional to 10,382.13, 14,327.28 and 5,666.45

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Solution

The fourth proportional to 10,382.13, 14,327.28 and 5,666.45 is: 7,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.13 : 14,327.28 = 5,666.45 : x
  2. Step 2: Convert to fraction form
    10,382.13/14,327.28 = 5,666.45/x
  3. Step 3: Cross multiply
    10,382.13x = 14,327.28 × 5,666.45
  4. Step 4: Simplify right side
    10,382.13x = 81,184,744.12
  5. Step 5: Solve for x
    x = 81,184,744.12/10,382.13
  6. Step 6: Final answer
    x = 7,819.66

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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.