Home / 13,333.48-18,397.66-8,028.64

Finding the Fourth Proportional to 13,333.48, 18,397.66 and 8,028.64

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Solution

The fourth proportional to 13,333.48, 18,397.66 and 8,028.64 is: 11,077.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.48 : 18,397.66 = 8,028.64 : x
  2. Step 2: Convert to fraction form
    13,333.48/18,397.66 = 8,028.64/x
  3. Step 3: Cross multiply
    13,333.48x = 18,397.66 × 8,028.64
  4. Step 4: Simplify right side
    13,333.48x = 147,708,168.91
  5. Step 5: Solve for x
    x = 147,708,168.91/13,333.48
  6. Step 6: Final answer
    x = 11,077.99

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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.