Home / 19,526.88-29,290.56-5,679.36

Finding the Fourth Proportional to 19,526.88, 29,290.56 and 5,679.36

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Solution

The fourth proportional to 19,526.88, 29,290.56 and 5,679.36 is: 8,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.88 : 29,290.56 = 5,679.36 : x
  2. Step 2: Convert to fraction form
    19,526.88/29,290.56 = 5,679.36/x
  3. Step 3: Cross multiply
    19,526.88x = 29,290.56 × 5,679.36
  4. Step 4: Simplify right side
    19,526.88x = 166,351,634.84
  5. Step 5: Solve for x
    x = 166,351,634.84/19,526.88
  6. Step 6: Final answer
    x = 8,519.11

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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.