Home / 10,985.40-16,474.86-5,788.44

Finding the Fourth Proportional to 10,985.40, 16,474.86 and 5,788.44

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Solution

The fourth proportional to 10,985.40, 16,474.86 and 5,788.44 is: 8,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.40 : 16,474.86 = 5,788.44 : x
  2. Step 2: Convert to fraction form
    10,985.40/16,474.86 = 5,788.44/x
  3. Step 3: Cross multiply
    10,985.40x = 16,474.86 × 5,788.44
  4. Step 4: Simplify right side
    10,985.40x = 95,363,738.62
  5. Step 5: Solve for x
    x = 95,363,738.62/10,985.40
  6. Step 6: Final answer
    x = 8,680.95

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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.