Home / 14,360.78-19,818.79-8,073.56

Finding the Fourth Proportional to 14,360.78, 19,818.79 and 8,073.56

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Solution

The fourth proportional to 14,360.78, 19,818.79 and 8,073.56 is: 11,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,360.78 : 19,818.79 = 8,073.56 : x
  2. Step 2: Convert to fraction form
    14,360.78/19,818.79 = 8,073.56/x
  3. Step 3: Cross multiply
    14,360.78x = 19,818.79 × 8,073.56
  4. Step 4: Simplify right side
    14,360.78x = 160,008,190.19
  5. Step 5: Solve for x
    x = 160,008,190.19/14,360.78
  6. Step 6: Final answer
    x = 11,142.03

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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.