Home / 12,496.28-18,755.34-6,955.88

Finding the Fourth Proportional to 12,496.28, 18,755.34 and 6,955.88

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Solution

The fourth proportional to 12,496.28, 18,755.34 and 6,955.88 is: 10,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.28 : 18,755.34 = 6,955.88 : x
  2. Step 2: Convert to fraction form
    12,496.28/18,755.34 = 6,955.88/x
  3. Step 3: Cross multiply
    12,496.28x = 18,755.34 × 6,955.88
  4. Step 4: Simplify right side
    12,496.28x = 130,459,894.40
  5. Step 5: Solve for x
    x = 130,459,894.40/12,496.28
  6. Step 6: Final answer
    x = 10,439.90

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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.