Home / 13,560.98-20,342.26-5,242.28

Finding the Fourth Proportional to 13,560.98, 20,342.26 and 5,242.28

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Solution

The fourth proportional to 13,560.98, 20,342.26 and 5,242.28 is: 7,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.98 : 20,342.26 = 5,242.28 : x
  2. Step 2: Convert to fraction form
    13,560.98/20,342.26 = 5,242.28/x
  3. Step 3: Cross multiply
    13,560.98x = 20,342.26 × 5,242.28
  4. Step 4: Simplify right side
    13,560.98x = 106,639,822.75
  5. Step 5: Solve for x
    x = 106,639,822.75/13,560.98
  6. Step 6: Final answer
    x = 7,863.73

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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.