Home / 18,865.02-28,303.68-9,003.03

Finding the Fourth Proportional to 18,865.02, 28,303.68 and 9,003.03

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Solution

The fourth proportional to 18,865.02, 28,303.68 and 9,003.03 is: 13,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.02 : 28,303.68 = 9,003.03 : x
  2. Step 2: Convert to fraction form
    18,865.02/28,303.68 = 9,003.03/x
  3. Step 3: Cross multiply
    18,865.02x = 28,303.68 × 9,003.03
  4. Step 4: Simplify right side
    18,865.02x = 254,818,880.15
  5. Step 5: Solve for x
    x = 254,818,880.15/18,865.02
  6. Step 6: Final answer
    x = 13,507.48

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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.