Home / 19,770.84-29,656.61-7,284.44

Finding the Fourth Proportional to 19,770.84, 29,656.61 and 7,284.44

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Solution

The fourth proportional to 19,770.84, 29,656.61 and 7,284.44 is: 10,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.84 : 29,656.61 = 7,284.44 : x
  2. Step 2: Convert to fraction form
    19,770.84/29,656.61 = 7,284.44/x
  3. Step 3: Cross multiply
    19,770.84x = 29,656.61 × 7,284.44
  4. Step 4: Simplify right side
    19,770.84x = 216,031,819.24
  5. Step 5: Solve for x
    x = 216,031,819.24/19,770.84
  6. Step 6: Final answer
    x = 10,926.79

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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.