Home / 14,813.91-22,220.28-3,720.69

Finding the Fourth Proportional to 14,813.91, 22,220.28 and 3,720.69

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Solution

The fourth proportional to 14,813.91, 22,220.28 and 3,720.69 is: 5,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.91 : 22,220.28 = 3,720.69 : x
  2. Step 2: Convert to fraction form
    14,813.91/22,220.28 = 3,720.69/x
  3. Step 3: Cross multiply
    14,813.91x = 22,220.28 × 3,720.69
  4. Step 4: Simplify right side
    14,813.91x = 82,674,773.59
  5. Step 5: Solve for x
    x = 82,674,773.59/14,813.91
  6. Step 6: Final answer
    x = 5,580.89

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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.