Home / 12,011.20-16,575.36-6,705.85

Finding the Fourth Proportional to 12,011.20, 16,575.36 and 6,705.85

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Solution

The fourth proportional to 12,011.20, 16,575.36 and 6,705.85 is: 9,254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.20 : 16,575.36 = 6,705.85 : x
  2. Step 2: Convert to fraction form
    12,011.20/16,575.36 = 6,705.85/x
  3. Step 3: Cross multiply
    12,011.20x = 16,575.36 × 6,705.85
  4. Step 4: Simplify right side
    12,011.20x = 111,151,877.86
  5. Step 5: Solve for x
    x = 111,151,877.86/12,011.20
  6. Step 6: Final answer
    x = 9,254.02

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1.5x scale

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.