Home / 19,654.88-29,485.52-5,805.28

Finding the Fourth Proportional to 19,654.88, 29,485.52 and 5,805.28

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Solution

The fourth proportional to 19,654.88, 29,485.52 and 5,805.28 is: 8,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.88 : 29,485.52 = 5,805.28 : x
  2. Step 2: Convert to fraction form
    19,654.88/29,485.52 = 5,805.28/x
  3. Step 3: Cross multiply
    19,654.88x = 29,485.52 × 5,805.28
  4. Step 4: Simplify right side
    19,654.88x = 171,171,699.55
  5. Step 5: Solve for x
    x = 171,171,699.55/19,654.88
  6. Step 6: Final answer
    x = 8,708.87

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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.