Home / 19,422.38-29,127.38-6,271.68

Finding the Fourth Proportional to 19,422.38, 29,127.38 and 6,271.68

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Solution

The fourth proportional to 19,422.38, 29,127.38 and 6,271.68 is: 9,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.38 : 29,127.38 = 6,271.68 : x
  2. Step 2: Convert to fraction form
    19,422.38/29,127.38 = 6,271.68/x
  3. Step 3: Cross multiply
    19,422.38x = 29,127.38 × 6,271.68
  4. Step 4: Simplify right side
    19,422.38x = 182,677,606.60
  5. Step 5: Solve for x
    x = 182,677,606.60/19,422.38
  6. Step 6: Final answer
    x = 9,405.52

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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.