Home / 10,146.96-15,188.58-6,453.36

Finding the Fourth Proportional to 10,146.96, 15,188.58 and 6,453.36

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Solution

The fourth proportional to 10,146.96, 15,188.58 and 6,453.36 is: 9,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.96 : 15,188.58 = 6,453.36 : x
  2. Step 2: Convert to fraction form
    10,146.96/15,188.58 = 6,453.36/x
  3. Step 3: Cross multiply
    10,146.96x = 15,188.58 × 6,453.36
  4. Step 4: Simplify right side
    10,146.96x = 98,017,374.63
  5. Step 5: Solve for x
    x = 98,017,374.63/10,146.96
  6. Step 6: Final answer
    x = 9,659.78

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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.