Home / 14,173.84-19,553.35-9,139.68

Finding the Fourth Proportional to 14,173.84, 19,553.35 and 9,139.68

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Solution

The fourth proportional to 14,173.84, 19,553.35 and 9,139.68 is: 12,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.84 : 19,553.35 = 9,139.68 : x
  2. Step 2: Convert to fraction form
    14,173.84/19,553.35 = 9,139.68/x
  3. Step 3: Cross multiply
    14,173.84x = 19,553.35 × 9,139.68
  4. Step 4: Simplify right side
    14,173.84x = 178,711,361.93
  5. Step 5: Solve for x
    x = 178,711,361.93/14,173.84
  6. Step 6: Final answer
    x = 12,608.54

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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.