Home / 18,701.02-28,053.09-5,374.06

Finding the Fourth Proportional to 18,701.02, 28,053.09 and 5,374.06

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Solution

The fourth proportional to 18,701.02, 28,053.09 and 5,374.06 is: 8,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.02 : 28,053.09 = 5,374.06 : x
  2. Step 2: Convert to fraction form
    18,701.02/28,053.09 = 5,374.06/x
  3. Step 3: Cross multiply
    18,701.02x = 28,053.09 × 5,374.06
  4. Step 4: Simplify right side
    18,701.02x = 150,758,988.85
  5. Step 5: Solve for x
    x = 150,758,988.85/18,701.02
  6. Step 6: Final answer
    x = 8,061.54

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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.