Home / 14,417.34-19,900.92-8,450.94

Finding the Fourth Proportional to 14,417.34, 19,900.92 and 8,450.94

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Solution

The fourth proportional to 14,417.34, 19,900.92 and 8,450.94 is: 11,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.34 : 19,900.92 = 8,450.94 : x
  2. Step 2: Convert to fraction form
    14,417.34/19,900.92 = 8,450.94/x
  3. Step 3: Cross multiply
    14,417.34x = 19,900.92 × 8,450.94
  4. Step 4: Simplify right side
    14,417.34x = 168,181,480.86
  5. Step 5: Solve for x
    x = 168,181,480.86/14,417.34
  6. Step 6: Final answer
    x = 11,665.22

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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.