Home / 9,986.03-13,785.15-6,450.96

Finding the Fourth Proportional to 9,986.03, 13,785.15 and 6,450.96

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Solution

The fourth proportional to 9,986.03, 13,785.15 and 6,450.96 is: 8,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.03 : 13,785.15 = 6,450.96 : x
  2. Step 2: Convert to fraction form
    9,986.03/13,785.15 = 6,450.96/x
  3. Step 3: Cross multiply
    9,986.03x = 13,785.15 × 6,450.96
  4. Step 4: Simplify right side
    9,986.03x = 88,927,451.24
  5. Step 5: Solve for x
    x = 88,927,451.24/9,986.03
  6. Step 6: Final answer
    x = 8,905.19

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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.