Home / 19,348.12-26,706.11-12,634.79

Finding the Fourth Proportional to 19,348.12, 26,706.11 and 12,634.79

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Solution

The fourth proportional to 19,348.12, 26,706.11 and 12,634.79 is: 17,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.12 : 26,706.11 = 12,634.79 : x
  2. Step 2: Convert to fraction form
    19,348.12/26,706.11 = 12,634.79/x
  3. Step 3: Cross multiply
    19,348.12x = 26,706.11 × 12,634.79
  4. Step 4: Simplify right side
    19,348.12x = 337,426,091.57
  5. Step 5: Solve for x
    x = 337,426,091.57/19,348.12
  6. Step 6: Final answer
    x = 17,439.74

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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.