Home / 19,853.02-29,791.87-12,371.27

Finding the Fourth Proportional to 19,853.02, 29,791.87 and 12,371.27

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Solution

The fourth proportional to 19,853.02, 29,791.87 and 12,371.27 is: 18,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.02 : 29,791.87 = 12,371.27 : x
  2. Step 2: Convert to fraction form
    19,853.02/29,791.87 = 12,371.27/x
  3. Step 3: Cross multiply
    19,853.02x = 29,791.87 × 12,371.27
  4. Step 4: Simplify right side
    19,853.02x = 368,563,056.76
  5. Step 5: Solve for x
    x = 368,563,056.76/19,853.02
  6. Step 6: Final answer
    x = 18,564.58

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1.5x scale

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.