Home / 19,859.13-27,407.07-12,306.94

Finding the Fourth Proportional to 19,859.13, 27,407.07 and 12,306.94

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Solution

The fourth proportional to 19,859.13, 27,407.07 and 12,306.94 is: 16,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.13 : 27,407.07 = 12,306.94 : x
  2. Step 2: Convert to fraction form
    19,859.13/27,407.07 = 12,306.94/x
  3. Step 3: Cross multiply
    19,859.13x = 27,407.07 × 12,306.94
  4. Step 4: Simplify right side
    19,859.13x = 337,297,097.55
  5. Step 5: Solve for x
    x = 337,297,097.55/19,859.13
  6. Step 6: Final answer
    x = 16,984.49

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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.