Home / 17,912.90-26,862.74-5,429.23

Finding the Fourth Proportional to 17,912.90, 26,862.74 and 5,429.23

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Solution

The fourth proportional to 17,912.90, 26,862.74 and 5,429.23 is: 8,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.90 : 26,862.74 = 5,429.23 : x
  2. Step 2: Convert to fraction form
    17,912.90/26,862.74 = 5,429.23/x
  3. Step 3: Cross multiply
    17,912.90x = 26,862.74 × 5,429.23
  4. Step 4: Simplify right side
    17,912.90x = 145,843,919.95
  5. Step 5: Solve for x
    x = 145,843,919.95/17,912.90
  6. Step 6: Final answer
    x = 8,141.84

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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.