Home / 13,945.84-19,242.19-8,282.45

Finding the Fourth Proportional to 13,945.84, 19,242.19 and 8,282.45

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Solution

The fourth proportional to 13,945.84, 19,242.19 and 8,282.45 is: 11,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.84 : 19,242.19 = 8,282.45 : x
  2. Step 2: Convert to fraction form
    13,945.84/19,242.19 = 8,282.45/x
  3. Step 3: Cross multiply
    13,945.84x = 19,242.19 × 8,282.45
  4. Step 4: Simplify right side
    13,945.84x = 159,372,535.02
  5. Step 5: Solve for x
    x = 159,372,535.02/13,945.84
  6. Step 6: Final answer
    x = 11,427.96

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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.