Home / 10,636.78-15,944.28-4,797.49

Finding the Fourth Proportional to 10,636.78, 15,944.28 and 4,797.49

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Solution

The fourth proportional to 10,636.78, 15,944.28 and 4,797.49 is: 7,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.78 : 15,944.28 = 4,797.49 : x
  2. Step 2: Convert to fraction form
    10,636.78/15,944.28 = 4,797.49/x
  3. Step 3: Cross multiply
    10,636.78x = 15,944.28 × 4,797.49
  4. Step 4: Simplify right side
    10,636.78x = 76,492,523.86
  5. Step 5: Solve for x
    x = 76,492,523.86/10,636.78
  6. Step 6: Final answer
    x = 7,191.32

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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.