Home / 10,786.64-14,885.96-6,072.40

Finding the Fourth Proportional to 10,786.64, 14,885.96 and 6,072.40

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Solution

The fourth proportional to 10,786.64, 14,885.96 and 6,072.40 is: 8,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.64 : 14,885.96 = 6,072.40 : x
  2. Step 2: Convert to fraction form
    10,786.64/14,885.96 = 6,072.40/x
  3. Step 3: Cross multiply
    10,786.64x = 14,885.96 × 6,072.40
  4. Step 4: Simplify right side
    10,786.64x = 90,393,503.50
  5. Step 5: Solve for x
    x = 90,393,503.50/10,786.64
  6. Step 6: Final answer
    x = 8,380.14

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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.