Home / 12,708.22-17,535.64-7,330.85

Finding the Fourth Proportional to 12,708.22, 17,535.64 and 7,330.85

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Solution

The fourth proportional to 12,708.22, 17,535.64 and 7,330.85 is: 10,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.22 : 17,535.64 = 7,330.85 : x
  2. Step 2: Convert to fraction form
    12,708.22/17,535.64 = 7,330.85/x
  3. Step 3: Cross multiply
    12,708.22x = 17,535.64 × 7,330.85
  4. Step 4: Simplify right side
    12,708.22x = 128,551,218.63
  5. Step 5: Solve for x
    x = 128,551,218.63/12,708.22
  6. Step 6: Final answer
    x = 10,115.60

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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.