Home / 13,354.27-20,043.27-7,119.43

Finding the Fourth Proportional to 13,354.27, 20,043.27 and 7,119.43

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Solution

The fourth proportional to 13,354.27, 20,043.27 and 7,119.43 is: 10,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.27 : 20,043.27 = 7,119.43 : x
  2. Step 2: Convert to fraction form
    13,354.27/20,043.27 = 7,119.43/x
  3. Step 3: Cross multiply
    13,354.27x = 20,043.27 × 7,119.43
  4. Step 4: Simplify right side
    13,354.27x = 142,696,607.63
  5. Step 5: Solve for x
    x = 142,696,607.63/13,354.27
  6. Step 6: Final answer
    x = 10,685.47

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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.