Home / 14,191.35-19,581.06-8,222.65

Finding the Fourth Proportional to 14,191.35, 19,581.06 and 8,222.65

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Solution

The fourth proportional to 14,191.35, 19,581.06 and 8,222.65 is: 11,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.35 : 19,581.06 = 8,222.65 : x
  2. Step 2: Convert to fraction form
    14,191.35/19,581.06 = 8,222.65/x
  3. Step 3: Cross multiply
    14,191.35x = 19,581.06 × 8,222.65
  4. Step 4: Simplify right side
    14,191.35x = 161,008,203.01
  5. Step 5: Solve for x
    x = 161,008,203.01/14,191.35
  6. Step 6: Final answer
    x = 11,345.52

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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.