Home / 10,274.76-15,400.12-4,350.40

Finding the Fourth Proportional to 10,274.76, 15,400.12 and 4,350.40

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Solution

The fourth proportional to 10,274.76, 15,400.12 and 4,350.40 is: 6,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.76 : 15,400.12 = 4,350.40 : x
  2. Step 2: Convert to fraction form
    10,274.76/15,400.12 = 4,350.40/x
  3. Step 3: Cross multiply
    10,274.76x = 15,400.12 × 4,350.40
  4. Step 4: Simplify right side
    10,274.76x = 66,996,682.05
  5. Step 5: Solve for x
    x = 66,996,682.05/10,274.76
  6. Step 6: Final answer
    x = 6,520.51

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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.