Home / 10,852.12-16,279.39-3,454.86

Finding the Fourth Proportional to 10,852.12, 16,279.39 and 3,454.86

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Solution

The fourth proportional to 10,852.12, 16,279.39 and 3,454.86 is: 5,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852.12 : 16,279.39 = 3,454.86 : x
  2. Step 2: Convert to fraction form
    10,852.12/16,279.39 = 3,454.86/x
  3. Step 3: Cross multiply
    10,852.12x = 16,279.39 × 3,454.86
  4. Step 4: Simplify right side
    10,852.12x = 56,243,013.34
  5. Step 5: Solve for x
    x = 56,243,013.34/10,852.12
  6. Step 6: Final answer
    x = 5,182.68

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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.