Home / 18,493.14-27,739.91-5,345.63

Finding the Fourth Proportional to 18,493.14, 27,739.91 and 5,345.63

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Solution

The fourth proportional to 18,493.14, 27,739.91 and 5,345.63 is: 8,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.14 : 27,739.91 = 5,345.63 : x
  2. Step 2: Convert to fraction form
    18,493.14/27,739.91 = 5,345.63/x
  3. Step 3: Cross multiply
    18,493.14x = 27,739.91 × 5,345.63
  4. Step 4: Simplify right side
    18,493.14x = 148,287,169.76
  5. Step 5: Solve for x
    x = 148,287,169.76/18,493.14
  6. Step 6: Final answer
    x = 8,018.50

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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.