Home / 14,242.93-21,340.96-4,877.78

Finding the Fourth Proportional to 14,242.93, 21,340.96 and 4,877.78

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Solution

The fourth proportional to 14,242.93, 21,340.96 and 4,877.78 is: 7,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.93 : 21,340.96 = 4,877.78 : x
  2. Step 2: Convert to fraction form
    14,242.93/21,340.96 = 4,877.78/x
  3. Step 3: Cross multiply
    14,242.93x = 21,340.96 × 4,877.78
  4. Step 4: Simplify right side
    14,242.93x = 104,096,507.87
  5. Step 5: Solve for x
    x = 104,096,507.87/14,242.93
  6. Step 6: Final answer
    x = 7,308.64

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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.