Home / 9,156.24-12,643.29-6,808.86

Finding the Fourth Proportional to 9,156.24, 12,643.29 and 6,808.86

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Solution

The fourth proportional to 9,156.24, 12,643.29 and 6,808.86 is: 9,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.24 : 12,643.29 = 6,808.86 : x
  2. Step 2: Convert to fraction form
    9,156.24/12,643.29 = 6,808.86/x
  3. Step 3: Cross multiply
    9,156.24x = 12,643.29 × 6,808.86
  4. Step 4: Simplify right side
    9,156.24x = 86,086,391.55
  5. Step 5: Solve for x
    x = 86,086,391.55/9,156.24
  6. Step 6: Final answer
    x = 9,401.94

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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.