Home / 17,921.06-26,881.09-4,773.55

Finding the Fourth Proportional to 17,921.06, 26,881.09 and 4,773.55

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Solution

The fourth proportional to 17,921.06, 26,881.09 and 4,773.55 is: 7,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.06 : 26,881.09 = 4,773.55 : x
  2. Step 2: Convert to fraction form
    17,921.06/26,881.09 = 4,773.55/x
  3. Step 3: Cross multiply
    17,921.06x = 26,881.09 × 4,773.55
  4. Step 4: Simplify right side
    17,921.06x = 128,318,227.17
  5. Step 5: Solve for x
    x = 128,318,227.17/17,921.06
  6. Step 6: Final answer
    x = 7,160.19

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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.