Home / 13,207.11-19,673.04-12,505.89

Finding the Fourth Proportional to 13,207.11, 19,673.04 and 12,505.89

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Solution

The fourth proportional to 13,207.11, 19,673.04 and 12,505.89 is: 18,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.11 : 19,673.04 = 12,505.89 : x
  2. Step 2: Convert to fraction form
    13,207.11/19,673.04 = 12,505.89/x
  3. Step 3: Cross multiply
    13,207.11x = 19,673.04 × 12,505.89
  4. Step 4: Simplify right side
    13,207.11x = 246,028,856.29
  5. Step 5: Solve for x
    x = 246,028,856.29/13,207.11
  6. Step 6: Final answer
    x = 18,628.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.