Home / 13,997.03-19,315.99-8,334.58

Finding the Fourth Proportional to 13,997.03, 19,315.99 and 8,334.58

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Solution

The fourth proportional to 13,997.03, 19,315.99 and 8,334.58 is: 11,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.03 : 19,315.99 = 8,334.58 : x
  2. Step 2: Convert to fraction form
    13,997.03/19,315.99 = 8,334.58/x
  3. Step 3: Cross multiply
    13,997.03x = 19,315.99 × 8,334.58
  4. Step 4: Simplify right side
    13,997.03x = 160,990,638.39
  5. Step 5: Solve for x
    x = 160,990,638.39/13,997.03
  6. Step 6: Final answer
    x = 11,501.77

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Similar ratio
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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.