Home / 17,758.16-26,641.56-7,900.64

Finding the Fourth Proportional to 17,758.16, 26,641.56 and 7,900.64

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Solution

The fourth proportional to 17,758.16, 26,641.56 and 7,900.64 is: 11,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758.16 : 26,641.56 = 7,900.64 : x
  2. Step 2: Convert to fraction form
    17,758.16/26,641.56 = 7,900.64/x
  3. Step 3: Cross multiply
    17,758.16x = 26,641.56 × 7,900.64
  4. Step 4: Simplify right side
    17,758.16x = 210,485,374.60
  5. Step 5: Solve for x
    x = 210,485,374.60/17,758.16
  6. Step 6: Final answer
    x = 11,852.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.