Home / 14,638.50-21,958.07-5,279.27

Finding the Fourth Proportional to 14,638.50, 21,958.07 and 5,279.27

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Solution

The fourth proportional to 14,638.50, 21,958.07 and 5,279.27 is: 7,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.50 : 21,958.07 = 5,279.27 : x
  2. Step 2: Convert to fraction form
    14,638.50/21,958.07 = 5,279.27/x
  3. Step 3: Cross multiply
    14,638.50x = 21,958.07 × 5,279.27
  4. Step 4: Simplify right side
    14,638.50x = 115,922,444.02
  5. Step 5: Solve for x
    x = 115,922,444.02/14,638.50
  6. Step 6: Final answer
    x = 7,919.01

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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.