Home / 15,828.98-21,843.38-8,755.52

Finding the Fourth Proportional to 15,828.98, 21,843.38 and 8,755.52

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Solution

The fourth proportional to 15,828.98, 21,843.38 and 8,755.52 is: 12,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828.98 : 21,843.38 = 8,755.52 : x
  2. Step 2: Convert to fraction form
    15,828.98/21,843.38 = 8,755.52/x
  3. Step 3: Cross multiply
    15,828.98x = 21,843.38 × 8,755.52
  4. Step 4: Simplify right side
    15,828.98x = 191,250,150.46
  5. Step 5: Solve for x
    x = 191,250,150.46/15,828.98
  6. Step 6: Final answer
    x = 12,082.28

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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.