Home / 11,651.04-16,077.88-6,345.84

Finding the Fourth Proportional to 11,651.04, 16,077.88 and 6,345.84

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Solution

The fourth proportional to 11,651.04, 16,077.88 and 6,345.84 is: 8,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.04 : 16,077.88 = 6,345.84 : x
  2. Step 2: Convert to fraction form
    11,651.04/16,077.88 = 6,345.84/x
  3. Step 3: Cross multiply
    11,651.04x = 16,077.88 × 6,345.84
  4. Step 4: Simplify right side
    11,651.04x = 102,027,654.02
  5. Step 5: Solve for x
    x = 102,027,654.02/11,651.04
  6. Step 6: Final answer
    x = 8,756.96

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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.