Home / 18,339.48-27,509.49-5,192.55

Finding the Fourth Proportional to 18,339.48, 27,509.49 and 5,192.55

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Solution

The fourth proportional to 18,339.48, 27,509.49 and 5,192.55 is: 7,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.48 : 27,509.49 = 5,192.55 : x
  2. Step 2: Convert to fraction form
    18,339.48/27,509.49 = 5,192.55/x
  3. Step 3: Cross multiply
    18,339.48x = 27,509.49 × 5,192.55
  4. Step 4: Simplify right side
    18,339.48x = 142,844,402.30
  5. Step 5: Solve for x
    x = 142,844,402.30/18,339.48
  6. Step 6: Final answer
    x = 7,788.90

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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.