Home / 18,981.02-28,473.35-5,837.15

Finding the Fourth Proportional to 18,981.02, 28,473.35 and 5,837.15

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Solution

The fourth proportional to 18,981.02, 28,473.35 and 5,837.15 is: 8,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.02 : 28,473.35 = 5,837.15 : x
  2. Step 2: Convert to fraction form
    18,981.02/28,473.35 = 5,837.15/x
  3. Step 3: Cross multiply
    18,981.02x = 28,473.35 × 5,837.15
  4. Step 4: Simplify right side
    18,981.02x = 166,203,043.40
  5. Step 5: Solve for x
    x = 166,203,043.40/18,981.02
  6. Step 6: Final answer
    x = 8,756.28

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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.