Home / 10,725.20-16,089.95-3,705.47

Finding the Fourth Proportional to 10,725.20, 16,089.95 and 3,705.47

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Solution

The fourth proportional to 10,725.20, 16,089.95 and 3,705.47 is: 5,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.20 : 16,089.95 = 3,705.47 : x
  2. Step 2: Convert to fraction form
    10,725.20/16,089.95 = 3,705.47/x
  3. Step 3: Cross multiply
    10,725.20x = 16,089.95 × 3,705.47
  4. Step 4: Simplify right side
    10,725.20x = 59,620,808.50
  5. Step 5: Solve for x
    x = 59,620,808.50/10,725.20
  6. Step 6: Final answer
    x = 5,558.95

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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.