Home / 13,125.11-19,661.43-8,954.76

Finding the Fourth Proportional to 13,125.11, 19,661.43 and 8,954.76

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Solution

The fourth proportional to 13,125.11, 19,661.43 and 8,954.76 is: 13,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.11 : 19,661.43 = 8,954.76 : x
  2. Step 2: Convert to fraction form
    13,125.11/19,661.43 = 8,954.76/x
  3. Step 3: Cross multiply
    13,125.11x = 19,661.43 × 8,954.76
  4. Step 4: Simplify right side
    13,125.11x = 176,063,386.91
  5. Step 5: Solve for x
    x = 176,063,386.91/13,125.11
  6. Step 6: Final answer
    x = 13,414.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.