Home / 14,638.95-21,958.33-4,778.24

Finding the Fourth Proportional to 14,638.95, 21,958.33 and 4,778.24

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Solution

The fourth proportional to 14,638.95, 21,958.33 and 4,778.24 is: 7,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.95 : 21,958.33 = 4,778.24 : x
  2. Step 2: Convert to fraction form
    14,638.95/21,958.33 = 4,778.24/x
  3. Step 3: Cross multiply
    14,638.95x = 21,958.33 × 4,778.24
  4. Step 4: Simplify right side
    14,638.95x = 104,922,170.74
  5. Step 5: Solve for x
    x = 104,922,170.74/14,638.95
  6. Step 6: Final answer
    x = 7,167.33

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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.