Home / 14,043.26-21,066.10-3,655

Finding the Fourth Proportional to 14,043.26, 21,066.10 and 3,655

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Solution

The fourth proportional to 14,043.26, 21,066.10 and 3,655 is: 5,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.26 : 21,066.10 = 3,655 : x
  2. Step 2: Convert to fraction form
    14,043.26/21,066.10 = 3,655/x
  3. Step 3: Cross multiply
    14,043.26x = 21,066.10 × 3,655
  4. Step 4: Simplify right side
    14,043.26x = 76,996,595.50
  5. Step 5: Solve for x
    x = 76,996,595.50/14,043.26
  6. Step 6: Final answer
    x = 5,482.81

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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.