Home / 14,270.30-19,711.84-10,954.09

Finding the Fourth Proportional to 14,270.30, 19,711.84 and 10,954.09

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Solution

The fourth proportional to 14,270.30, 19,711.84 and 10,954.09 is: 15,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.30 : 19,711.84 = 10,954.09 : x
  2. Step 2: Convert to fraction form
    14,270.30/19,711.84 = 10,954.09/x
  3. Step 3: Cross multiply
    14,270.30x = 19,711.84 × 10,954.09
  4. Step 4: Simplify right side
    14,270.30x = 215,925,269.43
  5. Step 5: Solve for x
    x = 215,925,269.43/14,270.30
  6. Step 6: Final answer
    x = 15,131.10

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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.