Home / 13,124.24-19,664.45-9,221.66

Finding the Fourth Proportional to 13,124.24, 19,664.45 and 9,221.66

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Solution

The fourth proportional to 13,124.24, 19,664.45 and 9,221.66 is: 13,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.24 : 19,664.45 = 9,221.66 : x
  2. Step 2: Convert to fraction form
    13,124.24/19,664.45 = 9,221.66/x
  3. Step 3: Cross multiply
    13,124.24x = 19,664.45 × 9,221.66
  4. Step 4: Simplify right side
    13,124.24x = 181,338,909.62
  5. Step 5: Solve for x
    x = 181,338,909.62/13,124.24
  6. Step 6: Final answer
    x = 13,817.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.