Home / 8,634.95-12,941.92-6,132.18

Finding the Fourth Proportional to 8,634.95, 12,941.92 and 6,132.18

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Solution

The fourth proportional to 8,634.95, 12,941.92 and 6,132.18 is: 9,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.95 : 12,941.92 = 6,132.18 : x
  2. Step 2: Convert to fraction form
    8,634.95/12,941.92 = 6,132.18/x
  3. Step 3: Cross multiply
    8,634.95x = 12,941.92 × 6,132.18
  4. Step 4: Simplify right side
    8,634.95x = 79,362,182.99
  5. Step 5: Solve for x
    x = 79,362,182.99/8,634.95
  6. Step 6: Final answer
    x = 9,190.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.