Home / 19,519.64-29,281.08-6,371.72

Finding the Fourth Proportional to 19,519.64, 29,281.08 and 6,371.72

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Solution

The fourth proportional to 19,519.64, 29,281.08 and 6,371.72 is: 9,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.64 : 29,281.08 = 6,371.72 : x
  2. Step 2: Convert to fraction form
    19,519.64/29,281.08 = 6,371.72/x
  3. Step 3: Cross multiply
    19,519.64x = 29,281.08 × 6,371.72
  4. Step 4: Simplify right side
    19,519.64x = 186,570,843.06
  5. Step 5: Solve for x
    x = 186,570,843.06/19,519.64
  6. Step 6: Final answer
    x = 9,558.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.