Home / 14,784.26-20,399.23-8,495.42

Finding the Fourth Proportional to 14,784.26, 20,399.23 and 8,495.42

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Solution

The fourth proportional to 14,784.26, 20,399.23 and 8,495.42 is: 11,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.26 : 20,399.23 = 8,495.42 : x
  2. Step 2: Convert to fraction form
    14,784.26/20,399.23 = 8,495.42/x
  3. Step 3: Cross multiply
    14,784.26x = 20,399.23 × 8,495.42
  4. Step 4: Simplify right side
    14,784.26x = 173,300,073.79
  5. Step 5: Solve for x
    x = 173,300,073.79/14,784.26
  6. Step 6: Final answer
    x = 11,721.93

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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.