Home / 14,840.92-20,480.28-8,126.48

Finding the Fourth Proportional to 14,840.92, 20,480.28 and 8,126.48

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Solution

The fourth proportional to 14,840.92, 20,480.28 and 8,126.48 is: 11,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.92 : 20,480.28 = 8,126.48 : x
  2. Step 2: Convert to fraction form
    14,840.92/20,480.28 = 8,126.48/x
  3. Step 3: Cross multiply
    14,840.92x = 20,480.28 × 8,126.48
  4. Step 4: Simplify right side
    14,840.92x = 166,432,585.81
  5. Step 5: Solve for x
    x = 166,432,585.81/14,840.92
  6. Step 6: Final answer
    x = 11,214.44

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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.