Home / 9,757.11-13,455.87-6,521.28

Finding the Fourth Proportional to 9,757.11, 13,455.87 and 6,521.28

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Solution

The fourth proportional to 9,757.11, 13,455.87 and 6,521.28 is: 8,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,757.11 : 13,455.87 = 6,521.28 : x
  2. Step 2: Convert to fraction form
    9,757.11/13,455.87 = 6,521.28/x
  3. Step 3: Cross multiply
    9,757.11x = 13,455.87 × 6,521.28
  4. Step 4: Simplify right side
    9,757.11x = 87,749,495.91
  5. Step 5: Solve for x
    x = 87,749,495.91/9,757.11
  6. Step 6: Final answer
    x = 8,993.39

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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.