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Finding the Fourth Proportional to 10,412.25, 14,368.86 and 5,632.20

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Solution

The fourth proportional to 10,412.25, 14,368.86 and 5,632.20 is: 7,772.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.25 : 14,368.86 = 5,632.20 : x
  2. Step 2: Convert to fraction form
    10,412.25/14,368.86 = 5,632.20/x
  3. Step 3: Cross multiply
    10,412.25x = 14,368.86 × 5,632.20
  4. Step 4: Simplify right side
    10,412.25x = 80,928,293.29
  5. Step 5: Solve for x
    x = 80,928,293.29/10,412.25
  6. Step 6: Final answer
    x = 7,772.41

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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.