Home / 19,770.36-29,654.68-5,730.08

Finding the Fourth Proportional to 19,770.36, 29,654.68 and 5,730.08

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Solution

The fourth proportional to 19,770.36, 29,654.68 and 5,730.08 is: 8,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.36 : 29,654.68 = 5,730.08 : x
  2. Step 2: Convert to fraction form
    19,770.36/29,654.68 = 5,730.08/x
  3. Step 3: Cross multiply
    19,770.36x = 29,654.68 × 5,730.08
  4. Step 4: Simplify right side
    19,770.36x = 169,923,748.59
  5. Step 5: Solve for x
    x = 169,923,748.59/19,770.36
  6. Step 6: Final answer
    x = 8,594.87

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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.