Home / 9,156.07-12,634.87-5,176.95

Finding the Fourth Proportional to 9,156.07, 12,634.87 and 5,176.95

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Solution

The fourth proportional to 9,156.07, 12,634.87 and 5,176.95 is: 7,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.07 : 12,634.87 = 5,176.95 : x
  2. Step 2: Convert to fraction form
    9,156.07/12,634.87 = 5,176.95/x
  3. Step 3: Cross multiply
    9,156.07x = 12,634.87 × 5,176.95
  4. Step 4: Simplify right side
    9,156.07x = 65,410,090.25
  5. Step 5: Solve for x
    x = 65,410,090.25/9,156.07
  6. Step 6: Final answer
    x = 7,143.90

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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.