Home / 18,701.02-28,076.02-13,156.98

Finding the Fourth Proportional to 18,701.02, 28,076.02 and 13,156.98

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Solution

The fourth proportional to 18,701.02, 28,076.02 and 13,156.98 is: 19,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.02 : 28,076.02 = 13,156.98 : x
  2. Step 2: Convert to fraction form
    18,701.02/28,076.02 = 13,156.98/x
  3. Step 3: Cross multiply
    18,701.02x = 28,076.02 × 13,156.98
  4. Step 4: Simplify right side
    18,701.02x = 369,395,633.62
  5. Step 5: Solve for x
    x = 369,395,633.62/18,701.02
  6. Step 6: Final answer
    x = 19,752.70

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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.