Home / 19,911.34-27,477.44-10,958.65

Finding the Fourth Proportional to 19,911.34, 27,477.44 and 10,958.65

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Solution

The fourth proportional to 19,911.34, 27,477.44 and 10,958.65 is: 15,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.34 : 27,477.44 = 10,958.65 : x
  2. Step 2: Convert to fraction form
    19,911.34/27,477.44 = 10,958.65/x
  3. Step 3: Cross multiply
    19,911.34x = 27,477.44 × 10,958.65
  4. Step 4: Simplify right side
    19,911.34x = 301,115,490.02
  5. Step 5: Solve for x
    x = 301,115,490.02/19,911.34
  6. Step 6: Final answer
    x = 15,122.82

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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.