Home / 19,933.48-27,508.51-10,980.89

Finding the Fourth Proportional to 19,933.48, 27,508.51 and 10,980.89

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Solution

The fourth proportional to 19,933.48, 27,508.51 and 10,980.89 is: 15,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.48 : 27,508.51 = 10,980.89 : x
  2. Step 2: Convert to fraction form
    19,933.48/27,508.51 = 10,980.89/x
  3. Step 3: Cross multiply
    19,933.48x = 27,508.51 × 10,980.89
  4. Step 4: Simplify right side
    19,933.48x = 302,067,922.37
  5. Step 5: Solve for x
    x = 302,067,922.37/19,933.48
  6. Step 6: Final answer
    x = 15,153.80

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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.