Home / 14,720.79-22,090.45-13,775.09

Finding the Fourth Proportional to 14,720.79, 22,090.45 and 13,775.09

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Solution

The fourth proportional to 14,720.79, 22,090.45 and 13,775.09 is: 20,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.79 : 22,090.45 = 13,775.09 : x
  2. Step 2: Convert to fraction form
    14,720.79/22,090.45 = 13,775.09/x
  3. Step 3: Cross multiply
    14,720.79x = 22,090.45 × 13,775.09
  4. Step 4: Simplify right side
    14,720.79x = 304,297,936.89
  5. Step 5: Solve for x
    x = 304,297,936.89/14,720.79
  6. Step 6: Final answer
    x = 20,671.30

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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.