Home / 11,631.04-16,049.28-6,913.60

Finding the Fourth Proportional to 11,631.04, 16,049.28 and 6,913.60

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Solution

The fourth proportional to 11,631.04, 16,049.28 and 6,913.60 is: 9,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.04 : 16,049.28 = 6,913.60 : x
  2. Step 2: Convert to fraction form
    11,631.04/16,049.28 = 6,913.60/x
  3. Step 3: Cross multiply
    11,631.04x = 16,049.28 × 6,913.60
  4. Step 4: Simplify right side
    11,631.04x = 110,958,302.21
  5. Step 5: Solve for x
    x = 110,958,302.21/11,631.04
  6. Step 6: Final answer
    x = 9,539.84

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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.