Home / 15,238.16-21,026.56-8,523.44

Finding the Fourth Proportional to 15,238.16, 21,026.56 and 8,523.44

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Solution

The fourth proportional to 15,238.16, 21,026.56 and 8,523.44 is: 11,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.16 : 21,026.56 = 8,523.44 : x
  2. Step 2: Convert to fraction form
    15,238.16/21,026.56 = 8,523.44/x
  3. Step 3: Cross multiply
    15,238.16x = 21,026.56 × 8,523.44
  4. Step 4: Simplify right side
    15,238.16x = 179,218,622.57
  5. Step 5: Solve for x
    x = 179,218,622.57/15,238.16
  6. Step 6: Final answer
    x = 11,761.17

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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.