Home / 14,807.28-20,434.66-8,519.68

Finding the Fourth Proportional to 14,807.28, 20,434.66 and 8,519.68

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Solution

The fourth proportional to 14,807.28, 20,434.66 and 8,519.68 is: 11,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.28 : 20,434.66 = 8,519.68 : x
  2. Step 2: Convert to fraction form
    14,807.28/20,434.66 = 8,519.68/x
  3. Step 3: Cross multiply
    14,807.28x = 20,434.66 × 8,519.68
  4. Step 4: Simplify right side
    14,807.28x = 174,096,764.11
  5. Step 5: Solve for x
    x = 174,096,764.11/14,807.28
  6. Step 6: Final answer
    x = 11,757.51

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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.