Home / 14,038.40-21,057.42-4,043.39

Finding the Fourth Proportional to 14,038.40, 21,057.42 and 4,043.39

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Solution

The fourth proportional to 14,038.40, 21,057.42 and 4,043.39 is: 6,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.40 : 21,057.42 = 4,043.39 : x
  2. Step 2: Convert to fraction form
    14,038.40/21,057.42 = 4,043.39/x
  3. Step 3: Cross multiply
    14,038.40x = 21,057.42 × 4,043.39
  4. Step 4: Simplify right side
    14,038.40x = 85,143,361.45
  5. Step 5: Solve for x
    x = 85,143,361.45/14,038.40
  6. Step 6: Final answer
    x = 6,065.03

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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.