Home / 14,809.26-20,438.58-8,521.50

Finding the Fourth Proportional to 14,809.26, 20,438.58 and 8,521.50

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Solution

The fourth proportional to 14,809.26, 20,438.58 and 8,521.50 is: 11,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,809.26 : 20,438.58 = 8,521.50 : x
  2. Step 2: Convert to fraction form
    14,809.26/20,438.58 = 8,521.50/x
  3. Step 3: Cross multiply
    14,809.26x = 20,438.58 × 8,521.50
  4. Step 4: Simplify right side
    14,809.26x = 174,167,359.47
  5. Step 5: Solve for x
    x = 174,167,359.47/14,809.26
  6. Step 6: Final answer
    x = 11,760.71

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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.