Home / 15,238.90-21,028.62-8,524.18

Finding the Fourth Proportional to 15,238.90, 21,028.62 and 8,524.18

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Solution

The fourth proportional to 15,238.90, 21,028.62 and 8,524.18 is: 11,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.90 : 21,028.62 = 8,524.18 : x
  2. Step 2: Convert to fraction form
    15,238.90/21,028.62 = 8,524.18/x
  3. Step 3: Cross multiply
    15,238.90x = 21,028.62 × 8,524.18
  4. Step 4: Simplify right side
    15,238.90x = 179,251,742.03
  5. Step 5: Solve for x
    x = 179,251,742.03/15,238.90
  6. Step 6: Final answer
    x = 11,762.77

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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.