Home / 14,813.84-22,220.06-3,720.28

Finding the Fourth Proportional to 14,813.84, 22,220.06 and 3,720.28

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Solution

The fourth proportional to 14,813.84, 22,220.06 and 3,720.28 is: 5,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.84 : 22,220.06 = 3,720.28 : x
  2. Step 2: Convert to fraction form
    14,813.84/22,220.06 = 3,720.28/x
  3. Step 3: Cross multiply
    14,813.84x = 22,220.06 × 3,720.28
  4. Step 4: Simplify right side
    14,813.84x = 82,664,844.82
  5. Step 5: Solve for x
    x = 82,664,844.82/14,813.84
  6. Step 6: Final answer
    x = 5,580.24

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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.