Home / 13,997.53-19,307.73-8,328.34

Finding the Fourth Proportional to 13,997.53, 19,307.73 and 8,328.34

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Solution

The fourth proportional to 13,997.53, 19,307.73 and 8,328.34 is: 11,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.53 : 19,307.73 = 8,328.34 : x
  2. Step 2: Convert to fraction form
    13,997.53/19,307.73 = 8,328.34/x
  3. Step 3: Cross multiply
    13,997.53x = 19,307.73 × 8,328.34
  4. Step 4: Simplify right side
    13,997.53x = 160,801,340.07
  5. Step 5: Solve for x
    x = 160,801,340.07/13,997.53
  6. Step 6: Final answer
    x = 11,487.84

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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.