Home / 18,606.05-27,909.23-5,458.64

Finding the Fourth Proportional to 18,606.05, 27,909.23 and 5,458.64

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Solution

The fourth proportional to 18,606.05, 27,909.23 and 5,458.64 is: 8,188.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.05 : 27,909.23 = 5,458.64 : x
  2. Step 2: Convert to fraction form
    18,606.05/27,909.23 = 5,458.64/x
  3. Step 3: Cross multiply
    18,606.05x = 27,909.23 × 5,458.64
  4. Step 4: Simplify right side
    18,606.05x = 152,346,439.25
  5. Step 5: Solve for x
    x = 152,346,439.25/18,606.05
  6. Step 6: Final answer
    x = 8,188.01

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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.