Home / 18,735.48-28,101.29-6,254.15

Finding the Fourth Proportional to 18,735.48, 28,101.29 and 6,254.15

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Solution

The fourth proportional to 18,735.48, 28,101.29 and 6,254.15 is: 9,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.48 : 28,101.29 = 6,254.15 : x
  2. Step 2: Convert to fraction form
    18,735.48/28,101.29 = 6,254.15/x
  3. Step 3: Cross multiply
    18,735.48x = 28,101.29 × 6,254.15
  4. Step 4: Simplify right side
    18,735.48x = 175,749,511.08
  5. Step 5: Solve for x
    x = 175,749,511.08/18,735.48
  6. Step 6: Final answer
    x = 9,380.57

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1.5x scale

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.