Home / 13,997.79-19,318.82-8,030.07

Finding the Fourth Proportional to 13,997.79, 19,318.82 and 8,030.07

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Solution

The fourth proportional to 13,997.79, 19,318.82 and 8,030.07 is: 11,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.79 : 19,318.82 = 8,030.07 : x
  2. Step 2: Convert to fraction form
    13,997.79/19,318.82 = 8,030.07/x
  3. Step 3: Cross multiply
    13,997.79x = 19,318.82 × 8,030.07
  4. Step 4: Simplify right side
    13,997.79x = 155,131,436.77
  5. Step 5: Solve for x
    x = 155,131,436.77/13,997.79
  6. Step 6: Final answer
    x = 11,082.57

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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.