Home / 21,303.97-31,956.05-6,512.83

Finding the Fourth Proportional to 21,303.97, 31,956.05 and 6,512.83

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Solution

The fourth proportional to 21,303.97, 31,956.05 and 6,512.83 is: 9,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303.97 : 31,956.05 = 6,512.83 : x
  2. Step 2: Convert to fraction form
    21,303.97/31,956.05 = 6,512.83/x
  3. Step 3: Cross multiply
    21,303.97x = 31,956.05 × 6,512.83
  4. Step 4: Simplify right side
    21,303.97x = 208,124,288.56
  5. Step 5: Solve for x
    x = 208,124,288.56/21,303.97
  6. Step 6: Final answer
    x = 9,769.27

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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.