Home / 9,191.18-12,686.51-6,004.96

Finding the Fourth Proportional to 9,191.18, 12,686.51 and 6,004.96

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Solution

The fourth proportional to 9,191.18, 12,686.51 and 6,004.96 is: 8,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.18 : 12,686.51 = 6,004.96 : x
  2. Step 2: Convert to fraction form
    9,191.18/12,686.51 = 6,004.96/x
  3. Step 3: Cross multiply
    9,191.18x = 12,686.51 × 6,004.96
  4. Step 4: Simplify right side
    9,191.18x = 76,181,985.09
  5. Step 5: Solve for x
    x = 76,181,985.09/9,191.18
  6. Step 6: Final answer
    x = 8,288.60

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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.