Home / 19,886.16-27,441.60-11,502

Finding the Fourth Proportional to 19,886.16, 27,441.60 and 11,502

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Solution

The fourth proportional to 19,886.16, 27,441.60 and 11,502 is: 15,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.16 : 27,441.60 = 11,502 : x
  2. Step 2: Convert to fraction form
    19,886.16/27,441.60 = 11,502/x
  3. Step 3: Cross multiply
    19,886.16x = 27,441.60 × 11,502
  4. Step 4: Simplify right side
    19,886.16x = 315,633,283.20
  5. Step 5: Solve for x
    x = 315,633,283.20/19,886.16
  6. Step 6: Final answer
    x = 15,872.01

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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.