Home / 14,827.64-20,478.94-10,103.72

Finding the Fourth Proportional to 14,827.64, 20,478.94 and 10,103.72

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Solution

The fourth proportional to 14,827.64, 20,478.94 and 10,103.72 is: 13,954.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,827.64 : 20,478.94 = 10,103.72 : x
  2. Step 2: Convert to fraction form
    14,827.64/20,478.94 = 10,103.72/x
  3. Step 3: Cross multiply
    14,827.64x = 20,478.94 × 10,103.72
  4. Step 4: Simplify right side
    14,827.64x = 206,913,475.66
  5. Step 5: Solve for x
    x = 206,913,475.66/14,827.64
  6. Step 6: Final answer
    x = 13,954.58

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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.