Home / 18,277.12-27,415.36-4,426.08

Finding the Fourth Proportional to 18,277.12, 27,415.36 and 4,426.08

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Solution

The fourth proportional to 18,277.12, 27,415.36 and 4,426.08 is: 6,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.12 : 27,415.36 = 4,426.08 : x
  2. Step 2: Convert to fraction form
    18,277.12/27,415.36 = 4,426.08/x
  3. Step 3: Cross multiply
    18,277.12x = 27,415.36 × 4,426.08
  4. Step 4: Simplify right side
    18,277.12x = 121,342,576.59
  5. Step 5: Solve for x
    x = 121,342,576.59/18,277.12
  6. Step 6: Final answer
    x = 6,639.04

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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.