Home / 14,261.09-19,685.70-12,766.30

Finding the Fourth Proportional to 14,261.09, 19,685.70 and 12,766.30

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Solution

The fourth proportional to 14,261.09, 19,685.70 and 12,766.30 is: 17,622.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.09 : 19,685.70 = 12,766.30 : x
  2. Step 2: Convert to fraction form
    14,261.09/19,685.70 = 12,766.30/x
  3. Step 3: Cross multiply
    14,261.09x = 19,685.70 × 12,766.30
  4. Step 4: Simplify right side
    14,261.09x = 251,313,502.70
  5. Step 5: Solve for x
    x = 251,313,502.70/14,261.09
  6. Step 6: Final answer
    x = 17,622.33

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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.