Home / 19,972.36-27,562.98-11,021.80

Finding the Fourth Proportional to 19,972.36, 27,562.98 and 11,021.80

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Solution

The fourth proportional to 19,972.36, 27,562.98 and 11,021.80 is: 15,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.36 : 27,562.98 = 11,021.80 : x
  2. Step 2: Convert to fraction form
    19,972.36/27,562.98 = 11,021.80/x
  3. Step 3: Cross multiply
    19,972.36x = 27,562.98 × 11,021.80
  4. Step 4: Simplify right side
    19,972.36x = 303,793,652.96
  5. Step 5: Solve for x
    x = 303,793,652.96/19,972.36
  6. Step 6: Final answer
    x = 15,210.70

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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.