Home / 9,360.87-12,917.73-6,170.28

Finding the Fourth Proportional to 9,360.87, 12,917.73 and 6,170.28

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Solution

The fourth proportional to 9,360.87, 12,917.73 and 6,170.28 is: 8,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.87 : 12,917.73 = 6,170.28 : x
  2. Step 2: Convert to fraction form
    9,360.87/12,917.73 = 6,170.28/x
  3. Step 3: Cross multiply
    9,360.87x = 12,917.73 × 6,170.28
  4. Step 4: Simplify right side
    9,360.87x = 79,706,011.06
  5. Step 5: Solve for x
    x = 79,706,011.06/9,360.87
  6. Step 6: Final answer
    x = 8,514.81

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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.