Home / 10,193.85-15,284.50-3,528.80

Finding the Fourth Proportional to 10,193.85, 15,284.50 and 3,528.80

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Solution

The fourth proportional to 10,193.85, 15,284.50 and 3,528.80 is: 5,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.85 : 15,284.50 = 3,528.80 : x
  2. Step 2: Convert to fraction form
    10,193.85/15,284.50 = 3,528.80/x
  3. Step 3: Cross multiply
    10,193.85x = 15,284.50 × 3,528.80
  4. Step 4: Simplify right side
    10,193.85x = 53,935,950.39
  5. Step 5: Solve for x
    x = 53,935,950.39/10,193.85
  6. Step 6: Final answer
    x = 5,291.03

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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.