Home / 19,762.85-27,279.68-12,214.97

Finding the Fourth Proportional to 19,762.85, 27,279.68 and 12,214.97

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Solution

The fourth proportional to 19,762.85, 27,279.68 and 12,214.97 is: 16,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.85 : 27,279.68 = 12,214.97 : x
  2. Step 2: Convert to fraction form
    19,762.85/27,279.68 = 12,214.97/x
  3. Step 3: Cross multiply
    19,762.85x = 27,279.68 × 12,214.97
  4. Step 4: Simplify right side
    19,762.85x = 333,220,275.34
  5. Step 5: Solve for x
    x = 333,220,275.34/19,762.85
  6. Step 6: Final answer
    x = 16,860.95

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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.