Home / 14,057.20-21,094.56-5,290.96

Finding the Fourth Proportional to 14,057.20, 21,094.56 and 5,290.96

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Solution

The fourth proportional to 14,057.20, 21,094.56 and 5,290.96 is: 7,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.20 : 21,094.56 = 5,290.96 : x
  2. Step 2: Convert to fraction form
    14,057.20/21,094.56 = 5,290.96/x
  3. Step 3: Cross multiply
    14,057.20x = 21,094.56 × 5,290.96
  4. Step 4: Simplify right side
    14,057.20x = 111,610,473.18
  5. Step 5: Solve for x
    x = 111,610,473.18/14,057.20
  6. Step 6: Final answer
    x = 7,939.74

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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.