Home / 14,114.92-21,218.56-13,079.76

Finding the Fourth Proportional to 14,114.92, 21,218.56 and 13,079.76

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Solution

The fourth proportional to 14,114.92, 21,218.56 and 13,079.76 is: 19,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.92 : 21,218.56 = 13,079.76 : x
  2. Step 2: Convert to fraction form
    14,114.92/21,218.56 = 13,079.76/x
  3. Step 3: Cross multiply
    14,114.92x = 21,218.56 × 13,079.76
  4. Step 4: Simplify right side
    14,114.92x = 277,533,672.35
  5. Step 5: Solve for x
    x = 277,533,672.35/14,114.92
  6. Step 6: Final answer
    x = 19,662.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.