Home / 10,191.84-15,276.68-4,272.54

Finding the Fourth Proportional to 10,191.84, 15,276.68 and 4,272.54

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Solution

The fourth proportional to 10,191.84, 15,276.68 and 4,272.54 is: 6,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.84 : 15,276.68 = 4,272.54 : x
  2. Step 2: Convert to fraction form
    10,191.84/15,276.68 = 4,272.54/x
  3. Step 3: Cross multiply
    10,191.84x = 15,276.68 × 4,272.54
  4. Step 4: Simplify right side
    10,191.84x = 65,270,226.37
  5. Step 5: Solve for x
    x = 65,270,226.37/10,191.84
  6. Step 6: Final answer
    x = 6,404.17

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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.