Home / 19,972.09-27,562.35-11,019.40

Finding the Fourth Proportional to 19,972.09, 27,562.35 and 11,019.40

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Solution

The fourth proportional to 19,972.09, 27,562.35 and 11,019.40 is: 15,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.09 : 27,562.35 = 11,019.40 : x
  2. Step 2: Convert to fraction form
    19,972.09/27,562.35 = 11,019.40/x
  3. Step 3: Cross multiply
    19,972.09x = 27,562.35 × 11,019.40
  4. Step 4: Simplify right side
    19,972.09x = 303,720,694.81
  5. Step 5: Solve for x
    x = 303,720,694.81/19,972.09
  6. Step 6: Final answer
    x = 15,207.25

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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.