Home / 14,513.76-20,028.56-8,228.16

Finding the Fourth Proportional to 14,513.76, 20,028.56 and 8,228.16

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Solution

The fourth proportional to 14,513.76, 20,028.56 and 8,228.16 is: 11,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.76 : 20,028.56 = 8,228.16 : x
  2. Step 2: Convert to fraction form
    14,513.76/20,028.56 = 8,228.16/x
  3. Step 3: Cross multiply
    14,513.76x = 20,028.56 × 8,228.16
  4. Step 4: Simplify right side
    14,513.76x = 164,798,196.25
  5. Step 5: Solve for x
    x = 164,798,196.25/14,513.76
  6. Step 6: Final answer
    x = 11,354.62

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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.