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Finding the Fourth Proportional to 13,954.71, 20,934.95 and 4,595.29

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Solution

The fourth proportional to 13,954.71, 20,934.95 and 4,595.29 is: 6,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.71 : 20,934.95 = 4,595.29 : x
  2. Step 2: Convert to fraction form
    13,954.71/20,934.95 = 4,595.29/x
  3. Step 3: Cross multiply
    13,954.71x = 20,934.95 × 4,595.29
  4. Step 4: Simplify right side
    13,954.71x = 96,202,166.39
  5. Step 5: Solve for x
    x = 96,202,166.39/13,954.71
  6. Step 6: Final answer
    x = 6,893.89

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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.