Home / 19,371.60-29,052.24-8,272.80

Finding the Fourth Proportional to 19,371.60, 29,052.24 and 8,272.80

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Solution

The fourth proportional to 19,371.60, 29,052.24 and 8,272.80 is: 12,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.60 : 29,052.24 = 8,272.80 : x
  2. Step 2: Convert to fraction form
    19,371.60/29,052.24 = 8,272.80/x
  3. Step 3: Cross multiply
    19,371.60x = 29,052.24 × 8,272.80
  4. Step 4: Simplify right side
    19,371.60x = 240,343,371.07
  5. Step 5: Solve for x
    x = 240,343,371.07/19,371.60
  6. Step 6: Final answer
    x = 12,407.00

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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.