Home / 9,360.48-12,917.40-5,168.76

Finding the Fourth Proportional to 9,360.48, 12,917.40 and 5,168.76

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Solution

The fourth proportional to 9,360.48, 12,917.40 and 5,168.76 is: 7,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.48 : 12,917.40 = 5,168.76 : x
  2. Step 2: Convert to fraction form
    9,360.48/12,917.40 = 5,168.76/x
  3. Step 3: Cross multiply
    9,360.48x = 12,917.40 × 5,168.76
  4. Step 4: Simplify right side
    9,360.48x = 66,766,940.42
  5. Step 5: Solve for x
    x = 66,766,940.42/9,360.48
  6. Step 6: Final answer
    x = 7,132.85

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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.