Home / 14,020.09-19,360.11-8,723.90

Finding the Fourth Proportional to 14,020.09, 19,360.11 and 8,723.90

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Solution

The fourth proportional to 14,020.09, 19,360.11 and 8,723.90 is: 12,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.09 : 19,360.11 = 8,723.90 : x
  2. Step 2: Convert to fraction form
    14,020.09/19,360.11 = 8,723.90/x
  3. Step 3: Cross multiply
    14,020.09x = 19,360.11 × 8,723.90
  4. Step 4: Simplify right side
    14,020.09x = 168,895,744.74
  5. Step 5: Solve for x
    x = 168,895,744.74/14,020.09
  6. Step 6: Final answer
    x = 12,046.70

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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.