Home / 16,683.20-25,010.40-8,475.20

Finding the Fourth Proportional to 16,683.20, 25,010.40 and 8,475.20

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Solution

The fourth proportional to 16,683.20, 25,010.40 and 8,475.20 is: 12,705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.20 : 25,010.40 = 8,475.20 : x
  2. Step 2: Convert to fraction form
    16,683.20/25,010.40 = 8,475.20/x
  3. Step 3: Cross multiply
    16,683.20x = 25,010.40 × 8,475.20
  4. Step 4: Simplify right side
    16,683.20x = 211,968,142.08
  5. Step 5: Solve for x
    x = 211,968,142.08/16,683.20
  6. Step 6: Final answer
    x = 12,705.48

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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.