Home / 12,022.48-16,572.36-11,789.20

Finding the Fourth Proportional to 12,022.48, 16,572.36 and 11,789.20

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Solution

The fourth proportional to 12,022.48, 16,572.36 and 11,789.20 is: 16,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.48 : 16,572.36 = 11,789.20 : x
  2. Step 2: Convert to fraction form
    12,022.48/16,572.36 = 11,789.20/x
  3. Step 3: Cross multiply
    12,022.48x = 16,572.36 × 11,789.20
  4. Step 4: Simplify right side
    12,022.48x = 195,374,866.51
  5. Step 5: Solve for x
    x = 195,374,866.51/12,022.48
  6. Step 6: Final answer
    x = 16,250.80

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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.