Home / 9,176.07-12,650.70-7,293.90

Finding the Fourth Proportional to 9,176.07, 12,650.70 and 7,293.90

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Solution

The fourth proportional to 9,176.07, 12,650.70 and 7,293.90 is: 10,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.07 : 12,650.70 = 7,293.90 : x
  2. Step 2: Convert to fraction form
    9,176.07/12,650.70 = 7,293.90/x
  3. Step 3: Cross multiply
    9,176.07x = 12,650.70 × 7,293.90
  4. Step 4: Simplify right side
    9,176.07x = 92,272,940.73
  5. Step 5: Solve for x
    x = 92,272,940.73/9,176.07
  6. Step 6: Final answer
    x = 10,055.82

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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.