Home / 18,734.80-25,855.72-10,354

Finding the Fourth Proportional to 18,734.80, 25,855.72 and 10,354

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Solution

The fourth proportional to 18,734.80, 25,855.72 and 10,354 is: 14,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.80 : 25,855.72 = 10,354 : x
  2. Step 2: Convert to fraction form
    18,734.80/25,855.72 = 10,354/x
  3. Step 3: Cross multiply
    18,734.80x = 25,855.72 × 10,354
  4. Step 4: Simplify right side
    18,734.80x = 267,710,124.88
  5. Step 5: Solve for x
    x = 267,710,124.88/18,734.80
  6. Step 6: Final answer
    x = 14,289.46

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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.