Home / 11,621.39-17,438.91-4,602.08

Finding the Fourth Proportional to 11,621.39, 17,438.91 and 4,602.08

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Solution

The fourth proportional to 11,621.39, 17,438.91 and 4,602.08 is: 6,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.39 : 17,438.91 = 4,602.08 : x
  2. Step 2: Convert to fraction form
    11,621.39/17,438.91 = 4,602.08/x
  3. Step 3: Cross multiply
    11,621.39x = 17,438.91 × 4,602.08
  4. Step 4: Simplify right side
    11,621.39x = 80,255,171.74
  5. Step 5: Solve for x
    x = 80,255,171.74/11,621.39
  6. Step 6: Final answer
    x = 6,905.82

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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.