Home / 9,420.12-12,992.76-6,587.64

Finding the Fourth Proportional to 9,420.12, 12,992.76 and 6,587.64

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Solution

The fourth proportional to 9,420.12, 12,992.76 and 6,587.64 is: 9,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.12 : 12,992.76 = 6,587.64 : x
  2. Step 2: Convert to fraction form
    9,420.12/12,992.76 = 6,587.64/x
  3. Step 3: Cross multiply
    9,420.12x = 12,992.76 × 6,587.64
  4. Step 4: Simplify right side
    9,420.12x = 85,591,625.49
  5. Step 5: Solve for x
    x = 85,591,625.49/9,420.12
  6. Step 6: Final answer
    x = 9,086.04

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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.