Home / 14,780.35-22,170.72-4,919.63

Finding the Fourth Proportional to 14,780.35, 22,170.72 and 4,919.63

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Solution

The fourth proportional to 14,780.35, 22,170.72 and 4,919.63 is: 7,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,780.35 : 22,170.72 = 4,919.63 : x
  2. Step 2: Convert to fraction form
    14,780.35/22,170.72 = 4,919.63/x
  3. Step 3: Cross multiply
    14,780.35x = 22,170.72 × 4,919.63
  4. Step 4: Simplify right side
    14,780.35x = 109,071,739.23
  5. Step 5: Solve for x
    x = 109,071,739.23/14,780.35
  6. Step 6: Final answer
    x = 7,379.51

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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.