Home / 14,982.28-20,671.95-9,676.18

Finding the Fourth Proportional to 14,982.28, 20,671.95 and 9,676.18

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Solution

The fourth proportional to 14,982.28, 20,671.95 and 9,676.18 is: 13,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.28 : 20,671.95 = 9,676.18 : x
  2. Step 2: Convert to fraction form
    14,982.28/20,671.95 = 9,676.18/x
  3. Step 3: Cross multiply
    14,982.28x = 20,671.95 × 9,676.18
  4. Step 4: Simplify right side
    14,982.28x = 200,025,509.15
  5. Step 5: Solve for x
    x = 200,025,509.15/14,982.28
  6. Step 6: Final answer
    x = 13,350.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.