Home / 14,972.33-20,644.74-11,189.14

Finding the Fourth Proportional to 14,972.33, 20,644.74 and 11,189.14

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Solution

The fourth proportional to 14,972.33, 20,644.74 and 11,189.14 is: 15,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.33 : 20,644.74 = 11,189.14 : x
  2. Step 2: Convert to fraction form
    14,972.33/20,644.74 = 11,189.14/x
  3. Step 3: Cross multiply
    14,972.33x = 20,644.74 × 11,189.14
  4. Step 4: Simplify right side
    14,972.33x = 230,996,886.12
  5. Step 5: Solve for x
    x = 230,996,886.12/14,972.33
  6. Step 6: Final answer
    x = 15,428.25

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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.