Home / 19,972.14-27,572.77-13,266.91

Finding the Fourth Proportional to 19,972.14, 27,572.77 and 13,266.91

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Solution

The fourth proportional to 19,972.14, 27,572.77 and 13,266.91 is: 18,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.14 : 27,572.77 = 13,266.91 : x
  2. Step 2: Convert to fraction form
    19,972.14/27,572.77 = 13,266.91/x
  3. Step 3: Cross multiply
    19,972.14x = 27,572.77 × 13,266.91
  4. Step 4: Simplify right side
    19,972.14x = 365,805,458.04
  5. Step 5: Solve for x
    x = 365,805,458.04/19,972.14
  6. Step 6: Final answer
    x = 18,315.79

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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.