Home / 19,918.49-29,844.85-11,575.08

Finding the Fourth Proportional to 19,918.49, 29,844.85 and 11,575.08

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Solution

The fourth proportional to 19,918.49, 29,844.85 and 11,575.08 is: 17,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.49 : 29,844.85 = 11,575.08 : x
  2. Step 2: Convert to fraction form
    19,918.49/29,844.85 = 11,575.08/x
  3. Step 3: Cross multiply
    19,918.49x = 29,844.85 × 11,575.08
  4. Step 4: Simplify right side
    19,918.49x = 345,456,526.34
  5. Step 5: Solve for x
    x = 345,456,526.34/19,918.49
  6. Step 6: Final answer
    x = 17,343.51

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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.