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Finding the Fourth Proportional to 14,772.32, 20,386.32 and 8,483.52

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Solution

The fourth proportional to 14,772.32, 20,386.32 and 8,483.52 is: 11,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.32 : 20,386.32 = 8,483.52 : x
  2. Step 2: Convert to fraction form
    14,772.32/20,386.32 = 8,483.52/x
  3. Step 3: Cross multiply
    14,772.32x = 20,386.32 × 8,483.52
  4. Step 4: Simplify right side
    14,772.32x = 172,947,753.45
  5. Step 5: Solve for x
    x = 172,947,753.45/14,772.32
  6. Step 6: Final answer
    x = 11,707.56

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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.