Home / 14,913.72-20,570.22-9,251.76

Finding the Fourth Proportional to 14,913.72, 20,570.22 and 9,251.76

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Solution

The fourth proportional to 14,913.72, 20,570.22 and 9,251.76 is: 12,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.72 : 20,570.22 = 9,251.76 : x
  2. Step 2: Convert to fraction form
    14,913.72/20,570.22 = 9,251.76/x
  3. Step 3: Cross multiply
    14,913.72x = 20,570.22 × 9,251.76
  4. Step 4: Simplify right side
    14,913.72x = 190,310,738.59
  5. Step 5: Solve for x
    x = 190,310,738.59/14,913.72
  6. Step 6: Final answer
    x = 12,760.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.