Home / 14,010.24-21,000.78-5,241.36

Finding the Fourth Proportional to 14,010.24, 21,000.78 and 5,241.36

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Solution

The fourth proportional to 14,010.24, 21,000.78 and 5,241.36 is: 7,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.24 : 21,000.78 = 5,241.36 : x
  2. Step 2: Convert to fraction form
    14,010.24/21,000.78 = 5,241.36/x
  3. Step 3: Cross multiply
    14,010.24x = 21,000.78 × 5,241.36
  4. Step 4: Simplify right side
    14,010.24x = 110,072,648.26
  5. Step 5: Solve for x
    x = 110,072,648.26/14,010.24
  6. Step 6: Final answer
    x = 7,856.59

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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.