Home / 13,740.60-18,961.98-7,452.96

Finding the Fourth Proportional to 13,740.60, 18,961.98 and 7,452.96

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Solution

The fourth proportional to 13,740.60, 18,961.98 and 7,452.96 is: 10,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.60 : 18,961.98 = 7,452.96 : x
  2. Step 2: Convert to fraction form
    13,740.60/18,961.98 = 7,452.96/x
  3. Step 3: Cross multiply
    13,740.60x = 18,961.98 × 7,452.96
  4. Step 4: Simplify right side
    13,740.60x = 141,322,878.46
  5. Step 5: Solve for x
    x = 141,322,878.46/13,740.60
  6. Step 6: Final answer
    x = 10,285.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.