Home / 14,420.14-19,898.67-8,450.98

Finding the Fourth Proportional to 14,420.14, 19,898.67 and 8,450.98

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Solution

The fourth proportional to 14,420.14, 19,898.67 and 8,450.98 is: 11,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.14 : 19,898.67 = 8,450.98 : x
  2. Step 2: Convert to fraction form
    14,420.14/19,898.67 = 8,450.98/x
  3. Step 3: Cross multiply
    14,420.14x = 19,898.67 × 8,450.98
  4. Step 4: Simplify right side
    14,420.14x = 168,163,262.20
  5. Step 5: Solve for x
    x = 168,163,262.20/14,420.14
  6. Step 6: Final answer
    x = 11,661.69

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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.