Home / 18,403.02-27,599.90-5,255.46

Finding the Fourth Proportional to 18,403.02, 27,599.90 and 5,255.46

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Solution

The fourth proportional to 18,403.02, 27,599.90 and 5,255.46 is: 7,881.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.02 : 27,599.90 = 5,255.46 : x
  2. Step 2: Convert to fraction form
    18,403.02/27,599.90 = 5,255.46/x
  3. Step 3: Cross multiply
    18,403.02x = 27,599.90 × 5,255.46
  4. Step 4: Simplify right side
    18,403.02x = 145,050,144.18
  5. Step 5: Solve for x
    x = 145,050,144.18/18,403.02
  6. Step 6: Final answer
    x = 7,881.87

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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.