Home / 18,386.52-27,572.46-9,628.80

Finding the Fourth Proportional to 18,386.52, 27,572.46 and 9,628.80

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Solution

The fourth proportional to 18,386.52, 27,572.46 and 9,628.80 is: 14,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.52 : 27,572.46 = 9,628.80 : x
  2. Step 2: Convert to fraction form
    18,386.52/27,572.46 = 9,628.80/x
  3. Step 3: Cross multiply
    18,386.52x = 27,572.46 × 9,628.80
  4. Step 4: Simplify right side
    18,386.52x = 265,489,702.85
  5. Step 5: Solve for x
    x = 265,489,702.85/18,386.52
  6. Step 6: Final answer
    x = 14,439.37

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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.