Home / 14,220.30-19,617.68-8,248.52

Finding the Fourth Proportional to 14,220.30, 19,617.68 and 8,248.52

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Solution

The fourth proportional to 14,220.30, 19,617.68 and 8,248.52 is: 11,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.30 : 19,617.68 = 8,248.52 : x
  2. Step 2: Convert to fraction form
    14,220.30/19,617.68 = 8,248.52/x
  3. Step 3: Cross multiply
    14,220.30x = 19,617.68 × 8,248.52
  4. Step 4: Simplify right side
    14,220.30x = 161,816,825.83
  5. Step 5: Solve for x
    x = 161,816,825.83/14,220.30
  6. Step 6: Final answer
    x = 11,379.28

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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.