Home / 15,535.64-21,453.36-9,956.36

Finding the Fourth Proportional to 15,535.64, 21,453.36 and 9,956.36

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Solution

The fourth proportional to 15,535.64, 21,453.36 and 9,956.36 is: 13,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.64 : 21,453.36 = 9,956.36 : x
  2. Step 2: Convert to fraction form
    15,535.64/21,453.36 = 9,956.36/x
  3. Step 3: Cross multiply
    15,535.64x = 21,453.36 × 9,956.36
  4. Step 4: Simplify right side
    15,535.64x = 213,597,375.37
  5. Step 5: Solve for x
    x = 213,597,375.37/15,535.64
  6. Step 6: Final answer
    x = 13,748.86

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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.