Home / 19,739.08-27,238.76-10,784.80

Finding the Fourth Proportional to 19,739.08, 27,238.76 and 10,784.80

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Solution

The fourth proportional to 19,739.08, 27,238.76 and 10,784.80 is: 14,882.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.08 : 27,238.76 = 10,784.80 : x
  2. Step 2: Convert to fraction form
    19,739.08/27,238.76 = 10,784.80/x
  3. Step 3: Cross multiply
    19,739.08x = 27,238.76 × 10,784.80
  4. Step 4: Simplify right side
    19,739.08x = 293,764,442.65
  5. Step 5: Solve for x
    x = 293,764,442.65/19,739.08
  6. Step 6: Final answer
    x = 14,882.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.