Home / 14,699.15-20,279.09-8,324.27

Finding the Fourth Proportional to 14,699.15, 20,279.09 and 8,324.27

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Solution

The fourth proportional to 14,699.15, 20,279.09 and 8,324.27 is: 11,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.15 : 20,279.09 = 8,324.27 : x
  2. Step 2: Convert to fraction form
    14,699.15/20,279.09 = 8,324.27/x
  3. Step 3: Cross multiply
    14,699.15x = 20,279.09 × 8,324.27
  4. Step 4: Simplify right side
    14,699.15x = 168,808,615.98
  5. Step 5: Solve for x
    x = 168,808,615.98/14,699.15
  6. Step 6: Final answer
    x = 11,484.24

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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.