Home / 13,215.06-19,808.76-4,446.96

Finding the Fourth Proportional to 13,215.06, 19,808.76 and 4,446.96

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Solution

The fourth proportional to 13,215.06, 19,808.76 and 4,446.96 is: 6,665.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215.06 : 19,808.76 = 4,446.96 : x
  2. Step 2: Convert to fraction form
    13,215.06/19,808.76 = 4,446.96/x
  3. Step 3: Cross multiply
    13,215.06x = 19,808.76 × 4,446.96
  4. Step 4: Simplify right side
    13,215.06x = 88,088,763.37
  5. Step 5: Solve for x
    x = 88,088,763.37/13,215.06
  6. Step 6: Final answer
    x = 6,665.79

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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.